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April 19, 2014

Search: SCIENCE: GR.10 OPTICS CONVEX MIRRORS

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SCIENCE: GR.10 OPTICS CONVEX MIRRORS
In each case use the mirror formula 1/do + 1/di = 1/f do = object distance di = image doistance Make sure you use negative f for the convex mirrors. The image height is di/do times the object heeight.
Sunday, March 28, 2010 at 11:55pm by drwls

SCIENCE: GR.10 OPTICS CONVEX MIRRORS
A convex security mirror has a focal length of -0.25m. A person with a height of 1.5m is 4m from the mirror. calculate the image distance and image height. AND An object 0.4m tall is placed 2.5m in front of a convex mirror that has a focal length of -90cm. Calculate image ...
Sunday, March 28, 2010 at 11:55pm by lily

Science
Convex mirrors bulge out in the center, while concave mirrors are depressed in the center. I hope this helps. Thanks for asking.
Thursday, September 25, 2008 at 1:38pm by PsyDAG

Science
What are convex mirrors?
Thursday, September 25, 2008 at 1:38pm by Mariz

Science
Can I please have a/any websites for convex mirrors?
Thursday, September 25, 2008 at 7:33pm by Mariz

Physics repost
1. I didnt say anything about concave mirrors. THe question was on lenses. There are two types: concave (diverging), and convex (converging). If concave lenses produce only virtual images, what does that imply about convex? Here is my previous brief response to the same ...
Tuesday, April 8, 2008 at 1:06pm by bobpursley

Physics
What type of mirror is used whenever a magnified image of an object is needed? They say its convex but why? i though convex mirrors reduce an abject ?? plz help
Sunday, November 20, 2011 at 4:47pm by Anonymous

Physical Science
13. Why can convex mirrors only produce virtual images? Sadly, I can't find this answer in my book. :( Any help would be appreciated, please and thank you!
Sunday, April 6, 2014 at 6:27pm by Alex

Physics repost
1)An ____ lens is used to produce a real image. A)convex B)concave C)plane D)diverging The link you gave me confused me b/c the closest thing I could find was convex. and you said concave mirrors produce virtual images. but the question doesnt ask for virtual they ask for real...
Tuesday, April 8, 2008 at 1:06pm by Jon

Physical Science
An virtual image is an image that is formed not by the intersection of two light beams, but it appears that these light beams intersect at some point. The optics of convex mirror doesn't allow the light beams to intersect at any position of object in relation to the mirror. ...
Sunday, April 6, 2014 at 6:27pm by stella

engineering science
1/do+1/di=1/f is the equation, solve for di. then, having di (remember the sign conventions for convex mirrors), M=-di/do=hi/ho
Monday, April 16, 2012 at 4:56am by bobpursley

science
Carnival mirrors make reflection look very odd. What market the reflections in these mirrors so strange?
Monday, November 26, 2012 at 6:06pm by stephanie

Physics
Identical objects are located at the same distance from two spherical mirrors, A and B. The magnifications produced by the mirrors are mA = 7.2 and mB = 1.1. Find the ratio fA/fB of the focal lengths of the mirrors.
Wednesday, April 17, 2013 at 10:44pm by Elizabeth

Calculus
a) h = 10(.75)^n that is basically what you had b) d = 10 + 10(.75)^1 + 10 (.75)^2 + 10(.75)^3 .... In other words I sort of agree with you c) This is a geometric series like a compound interest problem in general g + gr + gr^2 + .... gr^(n-1) Sn = [ g (1-r^n ]/ (1-r) here g...
Wednesday, April 15, 2009 at 9:55am by Anonymous

science
Carnival mirrors make reflections look very odd. What market the reflections in these mirrors so strange?
Monday, November 26, 2012 at 6:21pm by stephanie

science
Carnival mirrors make reflections look very odd. What market the reflections in these mirrors so strange?
Monday, November 26, 2012 at 6:29pm by stephanie

science
Carnival mirrors make reflections look very odd. What makes the reflections in these mirrors so strange?
Monday, November 26, 2012 at 6:38pm by stephanie

PHYSICS
WHAT TYPE OF MIRRORS ARE USED IN A PERISCOPE(CONCAVE, CONVEX?) ALSO,DRAW A RAY DIAGRAM OF A PERISCOPE
Saturday, March 19, 2011 at 8:31am by ADAM

Science Help
How does a periscope work when it has 2 mirrors and light? A.Lenses refract the light B.Light bends as it travels and mirrors bend the light more C.Light travels in a straight line and the mirrors reflect the light D.Lenses and mirrors reflect the light Reflect means to bounce...
Wednesday, March 21, 2012 at 6:00pm by Derrick

Science
How does a periscope work when it has 2 mirrors and light? A.Lenses refract the light B.Light bends as it travels and mirrors bend the light more C.Light travels in a straight line and the mirrors reflect the light D.Lenses and mirrors reflect the light Reflect means to ...
Wednesday, March 21, 2012 at 6:57pm by Derrick

Gr 11 Physics Optics Unit
Explain why a virtual image must always be upright.
Wednesday, November 25, 2009 at 7:07am by JOC

science
How do mirrors affect the way a plant grows? Mirror, Mirror on the wall See how I grow green and tall. Answer me this question puzzling Nepal Who is the most beautiful plant of all? I guess it will depend on what you use the mirrors for. If it is collecting light, then it will...
Friday, December 8, 2006 at 6:05pm by britteny

laser optics
The laws of laser optics are the same as they are for "regular" optics, but there is a special emphasis on advanced topics that only become important with lasers, such as: (1) coherent optical phenomena, such as "speckle" (2) nonlinear optics (frequency doubling and shifting, ...
Saturday, May 31, 2008 at 8:15am by drwls

science
what is a convex mirror? what happens when a diverging beam incident on a convex mirror?
Friday, November 22, 2013 at 2:41am by amulya

science gr.8
classify each as plane mirror, convex, or concave and briefly explain how the mirror is used to see images. 1) full length bedroom mirror 2) make-up mirror (compact makeup mirror) 3) car rear view mirror 4) dental mirror (used to look in mouth) 5) store security mirror 6) ...
Sunday, December 8, 2013 at 4:13pm by anonymous

Geometric & Wave Optics
1. An object,30mm high ,is 90mm from a convex lens. The focal length is 60mm det the positive height an nature of the image. Draw an accurate diagram for the formation of the image. 2.calculate its magnification?
Friday, July 24, 2009 at 12:06pm by Anonymous

physics
1. Correct. False. Convex mirrors do not form real images of real objects. 1/20 + 1/di = -1/10 1/di = -3/20 di = --6.7 (behind the mirror, demagnified. 2. You left out the position of the object. If the object is outside 10 cm, the image is real and inverted. If the object is ...
Monday, April 7, 2008 at 4:03pm by drwls

science gr.8 science fair topic ideas
what are some ideas for science fair projects gr.8?!?! and please give an experiment with it thank u!!
Thursday, January 23, 2014 at 10:30pm by smiley

physics
we put 2 mirrors perpendicular to each other and then an object in front. the result is 3 images of that object. how does the middle image occur? The middle image appears directly behind the intersection of the two mirrors, and is a double-reflection off of two mirrors. There ...
Sunday, May 6, 2007 at 6:51pm by JJ

Physics Question
The mirror is concave (convex mirrors can only produce diminished images ) Image distance 1.27•23.5 =29.85 cm. 1/f = 1/di -1/do 1/f = 1/ 23.5 – 1/ 29.85 = 0.0091 cm f = 109.9 =110cm = 1.1 m R =2•1.1 = 2.2 m
Saturday, April 14, 2012 at 3:41pm by Elena

optics
A thin, double-convex lens has a refractive index of 1.50. The radius of curvature of the front surface is 15 cm and that of the rear surface is 10 cm. See sketch. (a) How far from the lens would an image of the sun be formed? (b) How far from the lens would an image of a toy ...
Wednesday, May 29, 2013 at 5:34pm by Ray

High School Science
Here is a site with a simulator. You can try it yourself. http://interactagram.com/physics/optics/refraction/
Saturday, March 20, 2010 at 6:52pm by DrBob222

math
m=mass[gr] V=Volume[cm^3] rho=densty[gr/cm^3] 1cm=10mm 1mm=1/10 cm 1mm^3=(1/10)^3=1/1000=0.001cm^3 V=20*0.001=0.02 cm^3 m=V*rho=0.02*3.52=0.0704 gr P.S. rho is small Greek letter rho
Wednesday, April 6, 2011 at 10:22pm by Anonymous

Physics
A candle is placed 17.0 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, the image moves 6.0 cm farther away from the mirror. Find the focal length of the convex mirror. _______cm
Thursday, October 18, 2007 at 1:24pm by Mary

physics
A 5.0-cm real object is placed at a distance of 30.0 cm from a concave mirror of focal length 10.0 cm. Find the location of the image. A. 6 cm B. 10 cm C. 15 cm D. 60 cm Is it B. 10 cm? Which of the following objects can set fire to a piece of paper in the presence of sunlight...
Monday, April 6, 2009 at 7:03pm by sophie

science gr. 10
URGENT! PLEASE HELP ME!! :) Thanks!
Wednesday, November 19, 2008 at 11:07pm by sarah

science gr. 10
THANK YOU DR BOB!
Wednesday, November 19, 2008 at 11:07pm by sarah

laser optics
what is laser optics, how laser optics work?
Saturday, May 31, 2008 at 8:15am by serdar

Science
Object distance, image distance, and radius of curvature are ____ for curved mirrors. interdependent independent directly related unrelated A _________(__________ A B ( F In the diagram shown above, the image of object A would be (The diagram may be a bit confusing, so sorry. ...
Monday, January 9, 2012 at 3:25pm by Anonymous

Physics helpp
F-F(gr) = ma a= {F-F(gr)}/m = =(15-10)/15=0.33 m/s² (upward)
Tuesday, May 14, 2013 at 10:49am by Elena

science (optics)
thanks :)
Monday, October 10, 2011 at 4:22pm by pleasehelpme:)

science (optics)
THANK YOU! :)
Monday, October 10, 2011 at 7:23pm by pleasehelpme:)

algebra
the sum of the four angle measures of any convex quadrilateral is 360 degrees. if a certain convex quadrilater has angle measures of 60, 2y-10, and 10y+5 degrees, what is an expression for the degrees measure of the fourth angle?
Friday, October 15, 2010 at 12:31pm by ashley

science
http://en.wikipedia.org/wiki/Prism_(optics)
Wednesday, October 28, 2009 at 6:33pm by Ms. Sue

Science - Optics
Isn't M= -di/do ?
Sunday, February 28, 2010 at 9:10pm by bobpursley

optics ray tracing
Drawing straight lines that only change direction at mirror and lens surfaces makes solving optics with ray-tracing a lot easier.
Sunday, March 21, 2010 at 1:26am by drwls

Science!! Please HELP
If a population consists of 10,000 individuals at time t=0 years (P0), and the annual growth rate (excess of births over deaths) is 3% (GR), what will the population be after 1, 15 and 100 years (n)? Calculate the "doubling time" for this growth rate. Given this growth rate, ...
Tuesday, October 6, 2009 at 10:10pm by Rani

science
what do fiber optics mean
Monday, March 8, 2010 at 6:30pm by quashawn

Science - gr. 10 physics
How do you find displacement when given a velocity/time graph?
Monday, January 5, 2009 at 7:40pm by Jake

Science - gr. 10 physics
Calculate the area under the velocity-time graph.
Monday, January 5, 2009 at 7:40pm by GK

science (optics)
That is a subject in physiological optics or "ocular physiology", in which I am not an expert. A common example is the eyes' getting adapted to the dark (and more sensitive) after being in darkness for about a half hour. See http://en.wikipedia.org/wiki/Adaptation_(eye) for an...
Monday, October 10, 2011 at 7:23pm by drwls

science
list three uses of mirrors
Wednesday, March 12, 2008 at 1:23pm by adam

physics
Since this is not my area of expertise, I searched Google under the key words "convex concave lens" to get these possible sources: http://en.wikipedia.org/wiki/Lens_(optics) http://www.lessonplanspage.com/ScienceConvexConcaveLenses69.htm http://camillasenior.homestead.com/...
Sunday, March 30, 2008 at 3:52pm by PsyDAG

OPTICS
A real object is placed 25cm in front of a thin meniscus lens with a Power of +8.25 and index of refraction of 1.50. What is the radius of curvature of the back surface of the lens to which an image is formed 50cm away? I HAVE NO IDEA WHERE TO EVEN BEGIN?
Friday, January 17, 2014 at 1:33pm by optics

science
http://en.wikipedia.org/wiki/Lens_(optics)#Types_of_simple_lenses
Wednesday, July 9, 2008 at 9:59pm by DrBob222

Science (optics)
Trust drwls's answer.
Thursday, January 21, 2010 at 7:32pm by Ms. Sue

Science (optics)
Ignore Natosha's incorrect answer
Thursday, January 21, 2010 at 7:32pm by drwls

science
Why do windows act like mirrors at night? What is the science of the windows that you can see out of but when you look into it is all blurry and dark?
Tuesday, August 28, 2007 at 9:50pm by kjhadsf

Science (optics)
alright, so does anybody have a right answer? lol
Thursday, January 21, 2010 at 7:32pm by Dawn

science (optics)
explain the process of accommodation in the human eye. thanks :)
Monday, October 10, 2011 at 7:23pm by pleasehelpme:)

Gr 10 science
I can't find a picture to build a model of calcium sulphate using styrofoam ball pls help
Sunday, March 31, 2013 at 12:25pm by Kim

Math
I have two problemson polygonal convex sets which I do not understand. The first: Find the minimum value of f(x,y) = 2x-y+2 for the polygonal convex set determined by this system of inequalities: x is more than or equal to 1 x is less than or equal to 3 y is more than or ...
Tuesday, January 20, 2009 at 8:41pm by Joanie

math
What is the difference between convex polygon and non convex polygon
Wednesday, October 7, 2009 at 9:04pm by thomas

Physics
And the answer is still wrong, you have the wrong formula and forgot 9.81 as surface grav. Gr=R^2/R^2 * G Gr= (6378^2/6598^2) *9.81 Gr= 9 . 166 708 367 IDK about the percent thing
Saturday, January 22, 2011 at 10:44am by BobSheldon

Science - Optics
A lens has a magnification of +2.0 and if the focal length is +10 find the impage position and the object position. The type of lens is a diverging lens, but how do i find the di and the do if nothing else is given?
Sunday, February 28, 2010 at 9:10pm by Yasmin

Science - gr. 10 physics
I HATE PHYSICS
Monday, January 5, 2009 at 7:40pm by POOPEE

engineerig science
I have to make a power point on fiber optic cable i need links on how to make fiber optics cable actually the real question is what engineers might do in companines that produce fiber optics cable. To answer the question, I would have to explain the steps how engineers make a ...
Sunday, November 18, 2007 at 8:56pm by julie

science (optics)
Explain why inverted imgaes are produced by the eye yet we see upright images. Thanks :)
Monday, October 10, 2011 at 4:22pm by pleasehelpme:)

Physics
1) The answer depends upon what you call the "laws" of reflection. The angle of incidence is NOT equal to the angle of reflection, for a diffuse reflector. I explained my answer before. Light that is diffusely reflected is reflected at many angles, not just one. That is why ...
Tuesday, April 8, 2008 at 3:24am by drwls

physics
Two mirrors are placed at a 90° angle to each other. A light ray strikes one mirror 0.620 m from the intersection of the mirrors with an incident angle of 36.5°. The ray then travels a distance d before reflecting from the second mirror. (a) What is the distance d? answer ...
Saturday, May 7, 2011 at 7:25pm by bari

GENETIC HYPOTHESIS
AIM:TO DETERMINE THE NUMBER OF GR.10-12 THAT CAN ROLL THEIR TONGUE(rollers) AT SCHOOL. 1)fomulate a hypothesis. MY ANSWER:GR.11 HAS M0RE LEARNERS THAT CAN ROLL THEIR TONGUE (is it correct and any tips to master ths)
Tuesday, March 25, 2014 at 3:07pm by EMIHlE

science
Parts are concave and convex, distorting the returning image.
Monday, November 26, 2012 at 6:38pm by PsyDAG

math
there is a graph, and the title is Students who dress up for spirit week.60 grade 7 boys did,70 grade 7 girls did,70 grade 8 boys did, and 80 gr 8 girls did. the question is what this graph is showing. I put the graph is showing how many gr 7 boys dressed up for spirit week, ...
Saturday, January 31, 2009 at 10:46pm by beeca

Physics(Thank you)
1)Which of the following objects can set fire to a piece of paper in the presence of sunlight? A)doulble concave lens B)convex lens C)convex mirror D)concave lens B, convex lens 2)What happens to a path of a light ray parallel to the principle axis, after it passes through a ...
Tuesday, April 8, 2008 at 4:03am by Jon

Physics: Lenses
1) A convex lens with a focal lenght of 4.0cm is placed 20.0cm from a concave lens with a focal lenght of 5.0cm. Find the position of the image when the object is placed 12.0c, in front of the convex lens. 2) A double concave lens has a refractive index of 1.5 radii of ...
Monday, March 23, 2009 at 11:39am by Anonymous

science
explain the priniciples of light thaat enable the convex lens to function as it does
Tuesday, April 9, 2013 at 4:35pm by Taylor

Fiber Optics
What is fiber optics?
Sunday, September 23, 2012 at 1:39pm by Tialia

science
I don't understand this question. "What market the reflections in these mirrors so strange?" What do you mean by "market"?
Monday, November 26, 2012 at 6:29pm by Ms. Sue

science
Classical mechanics Relativity Thermodynamics Electromagnetism/Optics Quantum mechanics
Wednesday, August 29, 2007 at 8:17pm by ~christina~

physics
How many times will the incident beam shown in Figure P25.3 (x = 1.10 m, y = 1.80 m) be reflected by each of the parallel mirrors? mirror on the right
Sunday, September 4, 2011 at 8:24pm by nish

science
Me again :) Why might a car manufacturer change the shape of the side mirrors on a particular model? Thanks again.
Monday, January 11, 2010 at 7:42pm by 1234

science gr. 10
Predict the products. Ba(s) + O2 (g) -> ???? SO2 (g) -> ??? (On the sheet it says the products are elements for this particular equation)
Wednesday, November 19, 2008 at 11:07pm by sarah

Optics
Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm ( Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the earth).
Monday, April 22, 2013 at 8:01pm by Blake

Science Help
The closest to a correct answer is C. . Light travels in a straight line, but mirrors bend the light ray in two places
Wednesday, March 21, 2012 at 6:00pm by drwls

Optics/Physics
Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm. (Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the Earth.)
Tuesday, April 23, 2013 at 1:55pm by Blake

Physics
A real object is located at the zero end of a meter stick. A large concave mirror at the 100 cm end of the meter stick forms an image of the object at the 72.5 cm position. A small convex mirror placed at the 20.6 cm position forms a final image at the 10.0 cm point. What is ...
Saturday, April 20, 2013 at 4:34pm by Anonymous

Geometric & Wave Optics Correction
No. 1/10+1/6=1/f .1+.16666= .26666=1/f f=1/.26666=?
Wednesday, July 22, 2009 at 3:04pm by bobpursley

Physical Conceptual Science
Trucks often have signs on the back that say, “If you can’t see my mirrors, I can’t see you.” Explain the physics.
Sunday, September 29, 2013 at 1:08am by Miss Angie

physics
A pair of vertical plane mirrors stands with an angle of β = 56.5 degrees between them. A pencil of light approaches in a direction parallel to one of them, as shown. After the pencil has left the mirrors, in which direction will it be going? (Give your answer as the ...
Saturday, September 14, 2013 at 2:42pm by steph

GR.12 DATA MANAGEMENT
I GOT IT!!!!!!! [10!/(2!2!) - (9!/2!2!)]+[(2)(10!/2!2!2!) - [(2)(9!/2!2!2!)]=1632960
Wednesday, June 16, 2010 at 5:15pm by Maggie

Science
Is there any science fair contests I can partcipate??? I found this topic in gr 5th and I really want to use it for my science fair project this year but we don't have it at my school so I want to use it for a contest.
Sunday, December 4, 2011 at 8:15pm by Laruen

Physics: true or false
A convex mirror forms a virtual, diminished, and upright image for all real objects regardless of the location of the object. A. True B. False Is it true? A convex mirror of focal length 10 cm forms an upright and magnified image of a real object places at a distance of 20 cm ...
Sunday, April 5, 2009 at 5:14pm by sophie

chemistry
so I would set it up like 4g ? ---- ----- 10L 2.5L so i did 4 x 2.5 = 10 / 10 = 1 gr. is this right?
Friday, January 28, 2011 at 1:10pm by wendy

Math
gr has it right 9 * 10^-10
Tuesday, December 16, 2008 at 1:19am by Damon

physics
an image in a convex mirror is 12cm tall and 30cm from the mirror.IF the focal length is 50cm, where is the object and how tall. i got 7.5cm for the object height but a convex mirror always gives a reduced image?
Monday, April 28, 2008 at 8:51am by shan

physics
A convex mirror with a radius of curvature of 10 cm (C=10 cm) produces a virtual image 1/3 the size of the real object. What is the object's distance?
Friday, December 3, 2010 at 11:25am by Tim

Physics
Object distance, image distance, and radius of curvature are ____ for curved mirrors. interdependent independent directly related unrelated A _________(__________ A B ( F In the diagram shown above, the image of object A would be (The diagram may be a bit confusing, so sorry. ...
Tuesday, January 10, 2012 at 12:18pm by Anonymous

Physics
metal, or a metal coated polymer http://www.wisegeek.com/how-are-mirrors-made.htm
Sunday, May 2, 2010 at 10:28pm by bobpursley

Geometry
What is the sum of the measures of the interior angles of a convex octagon? What is the sum of the measures of the interior angles of a convex decagon? What is the measure of one interior angle of a regular polygon with 20 sides? Thank You! (:
Wednesday, February 3, 2010 at 12:12am by Alan

Comparative Essay
I need help on a camparative essay between Barbie Doll and Phenomenal Woman and I would like to include Mirrors. In Barbie Doll society will dictate to us about body image, In phenomenal woman she is confident and is telling society how good she looks and in Mirrors is not ...
Sunday, April 24, 2011 at 4:20pm by Evelyn

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