Number of results: 109,272
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
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
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
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
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
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 market the reflections in these mirrors so strange?
Monday, November 26, 2012 at 6:21pm by stephanie
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
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
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 ...
Saturday, May 31, 2008 at 8:15am by drwls
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
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
THANK YOU DR BOB!
Wednesday, November 19, 2008 at 11:07pm by sarah
science gr. 10
URGENT! PLEASE HELP ME!! :) Thanks!
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
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 (optics)
THANK YOU! :)
Monday, October 10, 2011 at 7:23pm by pleasehelpme:)
science (optics)
thanks :)
Monday, October 10, 2011 at 4:22pm by pleasehelpme:)
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
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
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 ...
Tuesday, October 6, 2009 at 10:10pm by Rani
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
what do fiber optics mean
Monday, March 8, 2010 at 6:30pm by quashawn
Science - gr. 10 physics
Calculate the area under the velocity-time graph.
Monday, January 5, 2009 at 7:40pm by GK
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 (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/...
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....
Sunday, March 30, 2008 at 3:52pm by PsyDAG
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
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
science (optics)
explain the process of accommodation in the human eye. thanks :)
Monday, October 10, 2011 at 7:23pm by pleasehelpme:)
Science (optics)
alright, so does anybody have a right answer? lol
Thursday, January 21, 2010 at 7:32pm by Dawn
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...
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? ...
Saturday, May 7, 2011 at 7:25pm by bari
science
Parts are concave and convex, distorting the returning image.
Monday, November 26, 2012 at 6:38pm by PsyDAG
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
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
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
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
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
Fiber Optics
What is fiber optics?
Sunday, September 23, 2012 at 1:39pm by Tialia
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
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
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
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
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
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
Gr. 10 Math
2x^2 - 3xy + 4y^2 for x=2, y=-1 My Answer: (2(2^2)) - (3*2*-1) + (4(-1^2)) = 10 8-(-6)+4(1)=14+4=18 The text book is correct.
Tuesday, April 20, 2010 at 2:24am by Dr Russ
science
hey!im in 5 gr.
Sunday, August 22, 2010 at 3:36pm by nicole
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
physics
the laws of strings applies: http://primes.utm.edu/mersenne/LukeMirror/mirrors/eb/mers_02.htm What is the square root of four?
Saturday, March 22, 2008 at 6:30pm by bobpursley
math
No the answer should have 10 zeros. When you multiply two same numbers their exponents are added. so 10^6.10^4 = 10^(6+4). when it is like this (10^6)^4 then you multiply exponents and get 10^24. so answer is 60,000,000,000
Tuesday, December 16, 2008 at 12:59am by gr
Science gr 8
Please be sure to explain.
Monday, May 4, 2009 at 4:01pm by Hello
Economics
Suppose the consumer has convex preferences, and we know (2, 4) ~(6, 1). Is the statement (4,2.5) >=(6, 1) correct? What about the statement (4, 2.5)> (6, 1)? Suppose now the consumer has strictly convex preferences, and and we know (2, 4) ~ (6,1). Does any of ...
Saturday, February 9, 2013 at 8:08pm by raina
GS 104 Physics (Physical Science)
Trucks often have signs on their backs that say, "If you can't see my mirrors, I can't see you." Explain the physics here.
Monday, December 3, 2007 at 10:38pm by Celeste
science (optics)
Please subject, not grade level. Use the formula 1/Do + 1/Di = 1/f and solve for the image distance Di. Do = 23 cm f = 9.0 cm
Tuesday, May 4, 2010 at 1:53pm by drwls
GR.10 CIVICS!
thank you!!
Saturday, May 30, 2009 at 7:59pm by MINONO
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