Q/If you know that the distance between the Earth and the Moon is 384,400 km, then the light from the Moon reaches the Earth within 1-0.182 s 2-1.82 s 3-182 s 4-18.2s
Q: 3 WAVELENGTH OF GREEN LIGHT IS: Wavelength of green light is: 800nm ○ 400nm 900nm O 650nm 550nm 0000
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Q: What is the speed of light in water if the index of refraction is 1.33? O 2.26x108 m/s O 3.0x10® m/s…
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Q: How far away is the Moon if a reflected beam of light takes 2.56 seconds to travel from Earth to the…
A: Given Reflected beam of light takes a time (t) = 2.56 seconds
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A: The final distance is half of the initial distance. df=di2
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A: The question is asking about the speed of light when it is emitted from a moving vehicle. This is a…
Q: speed of light in a plastic is measured at 2.5 × 108 m/s. Calculate: a- the index of refraction, b-…
A: Given Speed of light v = 2.5 × 108 m/s Wavelength λ = 635 nm = 635 nm = 635 × 10-9 m
Q: What happens to the length of an object as its velocity approaches the speed of light? A. The object…
A: The object appears to shorten.
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A: Given data: Frequency (f) = 3.2×1014 Hz Required: The wavelength (λ)
Q: (b) How long does it take sunlight to reach Earth?
A: We are provided with... Distance of a star = ds = 6.74*10¹⁸ m Distance from earth to moon = rem =…
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Q: What would be the speed of light through a particular medium if the frequency is 6.14 x 106 Hz and…
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Q: Sunlight reaches earth with an intensity of I = 1 kW.m-2. Knowing that the Earth-Sun distance is R₁…
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Q: The speed of light in a plastic is measured at 2.5 x 108 m/s. Calculate: a- the index of refraction,…
A: index of refraction = velocity of light in vaccum/ velocity of light in the medium When light goes…
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Q: - The speed of light in vacuum is about: A. 1100 ft/s В. 93 х 10*6 m/s C.6x 10*23 m/s D. 3 x 10*10…
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Q: 35. Calculate the time it would take light leaving Earth to reach a) the Sun (1.49 × 10¹¹ m away).
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Q: What is the frequency of the light wave that has a following wavelengths? 250nm
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Q: The speed of a light wave in a certain transparent material is 0.679 times its speed in vacuum,…
A: We know the fact that speed(v)=frequency*wavelength ⇒μ=Vλ
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Q: What is the value for the constant for the speed of light
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- (a) The distance to a star is approximately 4.97 × 10¹8 m. If this star were to burn out today, in how many years would we see it disappear? years (b) How long does it take sunlight to reach Earth? minutes (c) How long does it take for a microwave radar signal to travel from Earth to the Moon and back? (The distance from Earth to the Moon is 3.84 x 105 km.) SImagine you are at a location where some incident light source provides light at an intensity of 10 W/m^2 Now you move to double your distance from the light source (aka your distance is 2 times its initial value) What is the intensity of the light at this new location (in units of W/m^2, provide only the number)? hp & %23 24 7 8. 3 4. y u e r j k b .. .. * 00 InWhat would be the speed of light through a particular medium if the frequency is 5.63 x 106 Hz and the wavelength is 63.86 m? Your answer for this problem will not have any decimal places.
- If the intensity of light is 6 x 10-2 watts/m? at a distance of 3 meters from the source, what is the intensity of the light at a distance of 9 meters from the source? 3.Question 7 of 15 A light ray refracts at the interface between two transparent materials as shown below. In material 1 the light ray is traveling at v₁ = 2.5 x 108 m/s and in material 2 it is traveling at a speed v2. What is v2? Material 1 Material 2 60° 30°The speed of light in a vacuum is 3 x 108 m/s. What is the ratio of its speed in water (n = 1.33) to its speed in a vacuum? Enter your answer as a percentage