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Light and Optics
Page 4
Questions (269)
A certain type of laser emits light that has a frequency of 4.0 × 1014 Hz. The light, however, occurs as a series of short
1 answer
asked by
E
702 views
When violet light of wavelength 415 nm falls on a single slit, it creates a central diffraction peak that is 8.80 cm wide on a
2 answers
asked by
####Nadine####
675 views
this is the information i was given, it is confusing since the teacher didnt explain it at all...
- speed of light = 3x10^8 m/s -
3 answers
asked by
Anonymous
656 views
A 75 W light source consumes 75 W of electric power. Typically only about 5% of this energy is emitted as visible light of
4 answers
asked by
J
674 views
Can you help me with the problem below? Any help is appreciated!
A pair of narrow, parallel slits separated by 0.250 mm are
3 answers
asked by
Anonymous
670 views
light from the sun takes approximately 8 minutes to reach earth. If the light travels at a speed of 3 x 10 raised to 8 meters /
2 answers
asked by
chetan
657 views
a 75 w light source consumes 75 w of electrical power . assume all this energy goes in to emitted li ght of wavelength 600nm
2 answers
asked by
ftsum
660 views
Which of the following statements is not true about refraction?
Refraction occurs when light's velocity changes. The angle
2 answers
asked by
What?
640 views
Sunlight strikes the surface of a lake at an angle of incidence of 44.5°. At what angle with respect to the normal would a fish
2 answers
asked by
ryan
640 views
sodium vapor lamps, used for public lighting, emit 489nm yellow light. what energy is emitted by:
(a) an excited sodium atom when
2 answers
asked by
hardi
611 views
A photocell shows photoelectric effect when green light shines on it. Which of the following is correct if a green light is
3 answers
asked by
Tyler
591 views
If any body can solve this I would be greatly appreciative. I spent an hour in the tutoring center and no one could solve. Here
3 answers
asked by
Linda
576 views
A) On a calm, bright day, you're scuba diving in a deep lake (n = 1.33), 6.00 m away from your sailboat in the horizontal
2 answers
asked by
Ted
590 views
light travels at a constant speed of 3x10^11 cm /sec how long does it take light to reach the earth a distance of 1.5x10^8 km
2 answers
asked by
Helppppp
546 views
how does the light of a nephelometer determine the scatter of particles?
3 answers
asked by
Sam
532 views
Choose the correct term for the following definition: how bright the lighting is.
a intensity b color c distribution d
1 answer
asked by
jhgfd
62 views
18. What does a prism show about colors of light? (1 point)
Green light is refracted the most in a prism. Prisms create the
2 answers
asked by
final exam please
539 views
At a certain time of day, a pole, 5 meters tall, casts a 3 meter shadow.
2 answers
asked by
Anonymous
548 views
he speed of light in a vacuum is about 3.00 108 m/s how many kilometers a pulse from a laser beam travels in exactly 3.9 hours.
3 answers
asked by
Anonymous
518 views
A lamp fimament is made of tungsten. Why do we get a continuous spectrum rather than a tungsten line spectrum when light from an
2 answers
asked by
Leigh
534 views
How would I figure out how far the distance in kilometers between the sun and earth be if it takes 8.3 minutes for light to
2 answers
asked by
Luna
521 views
The velocity of light is 1.86 × 108 mi/hr. The distance of Mercury from the Sun is approximately 5.78 × 107 km. How many
2 answers
asked by
Ang
517 views
In an experiment conducted by Young using sodium light with λ=589 nm, the slits are 1 μm wide. You notice that every fourth
2 answers
asked by
David
509 views
Green light has a wavelength of 4.96 10-7 m and travels through the air at a speed of 3.00 108 m/s. Calculate the period of
2 answers
asked by
Jesse
507 views
How are visible light, the electromagnetic spectrum, and photoreceptors in the eye related?(1 point)
Responses Photoreceptors in
11 answers
asked anonymously
111 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
Hi
473 views
The sun is 1.40•10^11m away and light travels at 3.00•10^8m/s. Calculate how long it takes light from the sun to reach the
1 answer
asked by
Nicole
482 views
Before continuing we need a little more information about the angle factor given in the formula above. It turns out that the
1 answer
asked by
Luis
437 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
keith
66 views
It takes light 8 minutes to travel from the sun to the Earth. If the distance between the sun and the Earth is about 93 million
1 answer
asked by
Sergio
35 views
A group of design students drew up a list of the ways in which objects interact with the sun’s light, but they included one
1 answer
asked anonymously
29 views
ART: EXAM
1. IF YOU WANTED TO SEE THE COLOR SPECTRUM IN SUNLIGHT, HOW COULD YOU DO IT? 1. SET ICE IN THE SUN TO MELT. 2. HOLD UP
1 answer
asked anonymously
129 views
which color has the longest wavelength
A.ultraviolet B.Blue C.green D.red
1 answer
asked anonymously
17 views
How are visible light, the electromagnetic spectrum, and photoreceptors in the eye related?(1 point)
Responses A. Photoreceptors
1 answer
asked by
I hate math
40 views
objects are either translucent, transparent, or________depending on the amount of light that is able to travel through them.
Ligh
1 answer
asked by
Aiden....no
71 views
Light travels at an approximate rate of 1.9x10 to the power of 5 mi./sec. There are about 3.2x10 to the power of 7 seconds in a
1 answer
asked anonymously
31 views
What color has the longest wavelength
1 answer
asked anonymously
15 views
How are visible light, the electromagnetic spectrum, and photoreceptors in the eye related?(1 point)
Responses  Photoreceptors
1 answer
asked by
Dont worry abt my name
26 views
A prism breaks light into all the colors of the .
thesis fissure spectrum zodiac
3 answers
asked by
L311
18 views
A model shows rays of sunlight moving straight from the sun perpendicular to the surface of the Earth. What are these rays
1 answer
asked by
What's down?
51 views
A group of design students drew up a list of the ways in which objects interact with the sun’s light, but they included one
1 answer
asked anonymously
20 views
Humans can only perceive a small fraction of the ultramagnetic spectrum.
Group of answer choices True False
1 answer
asked anonymously
12 views
What would the color temperature be on a sunny day around noon? (1 point) Responses 1000K 1000K 5000-6000K 5000-6000K 3200K
1 answer
asked by
mybootyitch
15 views
Which statement about wavelength is correct?
1 answer
asked anonymously
23 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
1 answer
asked by
Marquez Benson
21 views
A car is moving towards a person at 0.02 km/s. The speed of light is 300,000 km/s. What speed would the person measure for light
1 answer
asked anonymously
62 views
Which BEST explains why rainbows only appear when there is rain and sun?
A:The rain needs to dim the light for them to appear.
1 answer
asked anonymously
29 views
If you wanted to see the color, spectrum and sunlight, how could you do it?
1 answer
asked anonymously
35 views
Which option is a light wavelength that chlorophyll does not absorb?(1 point)
Responses yellow yellow green green violet violet
1 answer
asked anonymously
38 views
2. Roughly, it takes light less than 0.000000003 of a second to travel a one-meter distance. Express this number in the form of
1 answer
asked anonymously
26 views
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