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Light and Optics
Page 2
Questions (269)
Light from the Sun reaches Earth in 8.3 min. The speed of light is 3.00 x 10^8 m/s. How far is Earth from the Sun?
GIVEN: t = 8.3
4 answers
asked by
Priscilla
1,241 views
The distance from the Earth to the sun is approximately 9.37 x 10^7 miles. How long does it take for light from the sun, to
4 answers
asked by
Lilly
2,039 views
The frequency of violet light is about twice that of red light. How does the energy of a violet photon compare with the energy
3 answers
asked by
Dallas
1,175 views
How long does it take light to travel each of the following distances
2462 mi, the distance between Los Angeles and New York. How
4 answers
asked by
Luis
2,521 views
The illumination a surface receives from a light source varies inversely with the square of the distance. A table lamp is 3ft
3 answers
asked by
HELP HELP HELP MNHS
1,149 views
Consider a single photon of red laser light, with wavelength of 633 nm (nano is 10-9).
What energy does this carry? What
3 answers
asked by
maggie
837 views
Why can you see a red-colored light coming from the heating element of an operating toaster?
5 answers
asked by
Emily
1,077 views
The photoelectric effect is good evidence for __________.(1 point)
Responses neither the wave nor the particle nature of light,
3 answers
asked by
Arisha Andreah Williams
172 views
Green light has a frequency of about 5.3Hz×1014Hz. Using the relationship c=fλ, find its wavelength in air.
3 answers
asked by
Hannah
2,440 views
The intensity, I, of light passing through water can be modelled by the equation I=10^1-0.13, where x is the depth of water in
3 answers
asked by
Joe
860 views
A transparent object made of glass without any color (A) absorbs all frequencies of visible light and re-emits them from atom to
3 answers
asked by
Loren
517 views
the intensity l of light from a light bulb, measured in watts per square meter (w/m^2), varies inversely as the square of the
4 answers
asked by
Kalyn
839 views
If light travels 10,000km ( 3.3 x 10 to the -2 power) seconds, how will it take to travel one meter. I know 1 meter = 0.001km
3 answers
asked by
Heather
512 views
please help
A circular opaque disk, 25 cm in diameter, is set up 30 cm from a circular source of light of diameter 40 cm. A
2 answers
asked by
SABRINA
509 views
Based on the spectrum of the fluorescent lamp, what is the main difference between the radiation emitted by a heated solid
3 answers
asked by
Emily
1,630 views
use the face that the speed of light in a vacuum is about 3.00 x10^8 m/s to determine how many kilometers a pulse from a laser
3 answers
asked by
John
3,403 views
Calculate the energy in joules per photon of red light having a wavelength 655 nm. What is the energy of 1 mol of these photons?
3 answers
asked by
ashley b
1,486 views
A model shows rays of sunlight moving straight from the sun perpendicular to the surface of the Earth. What are these rays
3 answers
asked by
Santiago Cisneros Romero
113 views
A person is driving on an extremely foggy day and cannot see the road ahead very well. They decide to turn on the headlights on
29 answers
asked anonymously
106 views
Define lighting effects
4 answers
asked by
Raven
35 views
A model shows rays of sunlight moving straight from the sun perpendicular to the surface of the Earth. What are these rays
3 answers
asked anonymously
505 views
Math 8A Unit 4 Study Guide
11. Light travels at an approximate rate of 1.9 * 10 ^ 5 * mi ./sec There are approximately 2.6 * 10 ^
3 answers
asked anonymously
159 views
A city averages 14 hours of daylight in June, 10 hours of daylight in December, and 12 hours of daylight
in both March and
1 answer
asked by
Amy
280 views
Is sunlight a simple subject?
1 answer
asked by
Elizabeth
163 views
Suppose you want to determine the distance d that light travels in h hours. The speed light is approximately 670,616,629 miles
1 answer
asked by
Anonymous
174 views
Fireworks exploding in the sky and giving off light are an example of a(n)
1 answer
asked by
rayan
315 views
i need help on this so i can pass my grades are terrible i need help someone please help me like rn!! Hypothesis: If light
3 answers
asked by
shhh calm down i got you
284 views
When you go out into the sun, the UV light can give you a tan. UV light has a frequency of 7.89 x 1014 Hz. What is the
5 answers
asked by
LELANI
973 views
Before 1896, many scientist concluded that like he’s not pass through black paper. In 1896, Henri becquerel observed that
4 answers
asked by
Diego Rodriguez
1,800 views
acorridor is lighted by 4 lamps s10cm apart and suspended at a height of 5m above the centre of the floor. if each lamp gives
1 answer
asked by
james ugbes
403 views
The distance that light travels in 1 year (a light year) is 5.88 times 10 Superscript 12 miles. If a star is 4.6 times 10
1 answer
asked by
Brita
797 views
A model shows rays of sunlight moving straight from the sun perpendicular to the surface of the Earth. What are these rays
7 answers
asked by
that one dumb kid
175 views
When white light strikes this object, the light is completely absorbed, with none of it transmitted or reflected. Which type of
3 answers
asked anonymously
125 views
Finish this sentence.
Why is the sky blue? The sky is blue because please help me!!
4 answers
asked by
Adaija
486 views
roughly it takes light less than 0.000000003 of a second to travel a one-meter distance . express the number in the form of
a x
3 answers
asked by
a
208 views
Which of the following is true for a photon?
A photon of wavelength 3000 x 10-10 m has momentum twice than a photon of wavelength
1 answer
asked by
physics student
765 views
Light travels at an approximate rate of 1.9×10^5 mi./sec. There are about 3.2×10^7 seconds in a year. About how many miles
4 answers
asked anonymously
565 views
Why do scientists observe blueshift in certain stars?(1 point)
Responses Light wave frequencies decrease as an object moves
3 answers
asked by
billy bob joe
57 views
When white light strikes this object, the light is completely absorbed, with none of it transmitted or reflected. Which type of
3 answers
asked anonymously
27 views
Light travels at an approximate rate of 1.9 * 10 ^ 5 mi/sec. There are about 3.2 * 10 ^ 7 seconds in a year. About how many
3 answers
asked anonymously
161 views
41.
Is the speed of light constant as it passes through transparent materials? Yes, the speed of is always constant No, light
2 answers
asked by
James
558 views
The illumination produced by a light source is inversely proportional to the square of the distance to the source. If a light
1 answer
asked by
meme
665 views
The intensity of illumination at a given point is directly proportional to the intensity of the light source and inversely
1 answer
asked by
Marie
449 views
The intensity of illumination at a given point is directly proportional to the intensity of the light source and inversely
1 answer
asked by
Ashley
464 views
The intensity of illumination at a given point is directly proportional to the intensity of the light source and inversely
1 answer
asked by
Zach
928 views
Choose the answer that best matches the word in italics. The seashells were iridescent in the sunlight. (1 point) Responses
3 answers
asked by
Anonymous
76 views
the speed of light is 3*10^8 m/s. Red light has a wavelength of 7 * 10^-7 m. What is its frequency?
2 answers
asked by
Sarah
1,152 views
A star emits visible light. If it gets hotter while staying at the same size, it becomes
Group of answer choices more luminous
3 answers
asked by
Mark
39 views
Light travels at an approximate rate of 1.9 × 10^5 mi./sec. There are about 3.2 × 10^7 seconds in a year. About how many miles
3 answers
asked anonymously
103 views
Roughly, it takes light less than 0.000000003 of a second to travel a one-meter distance. Express this number in the form of a *
3 answers
asked anonymously
34 views
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