How many more minutes would it take light from the sun to reach Earth if the space between them were filled with water rather than a vacuum? The sun is 1.5 ✕ 108 km from Earth.
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How many more minutes would it take light from the sun to reach Earth if the space between them were filled with water rather than a vacuum? The sun is 1.5 ✕ 108 km from Earth.
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- The average distance from the Earth to the Moon is 363104 km; the speed of light in a vacuum is 2.99792×108 meters per second.Find the time for a pulse of laser light to reach the Moon and to bounce back to Earth.How much time is required for reflected sunlight to travel from the moon to the earth if the distance between the moon and the earth is 3.95 x 10^5 km?QUESTION 8 Consider light having a wavelength of 521 nm traveling in a vacuum. Which of the following is true? w = 1.56x102 rad/s w = 5.74x105 rad/s O k = 3.27x10-6 rad-m O k = 1.21x107 rad/m
- Light travels through a vacuum at a speed of 2.998 x 108 m/s. Determine the speed of light in water (n = 1.333).As a ray of light travels through a medium with wavelength and speed v = fx X, the refractive index (n) of that medium may be expressed as (where fo and λo are the frequency & wavelength in free space) O f/ fo Ολοι λ Ο λ/ λο ΟλχλοA ray of light is directed toward the surface of a block of fused quartz at an angle of 29.0° with respect to the normal (a line perpendicular to the surface at the spot where the ray hits the block). A fraction of the light is reflected and the rest refracted. What is the angle (in degrees) between the reflected and refracted rays?
- A thin layer of ice (n = 1.309) floats on the surface of water (n = 1.333) in a bucket. A ray of light from the bottom of the bucket travels upward through the water. (a) What is the largest angle with respect to the normal that the ray can make at the ice–water interface and still pass out into the air above the ice? (b) What is this angle after the ice melts?If a beam of light has a frequency of 5.04 E 14, what is its wavelength? a 3.00 E −8 m b 5.95 E 7 m c 6.70 E 7 m d 1.15 E 6 m. What is the speed of light in water? In glycerine? The refractive index of light in water is 1.333 and in glycerine is 1.473. Speed to light in vacuum is 3×10 m/s. V watei V glycerine m S m S
- The sun is 146.9 x 106 km from the Earth. How long does it take sun light to reach the Earth?A beam of light is directed toward the surface of a block of fused quartz at an angle of 28.0° with respect to the normal (a line perpendicular to the surface at the spot where the ray hits the block). A fraction of the light is reflected and the rest refracted. What is the angle (in degrees) between the reflected and refracted beams?The speed of light in a crystal is found to be 1.24 (10)8 m/s. What is the indexof refraction of this crystal?