PART A: How long (in ns) does it take light to travel 0.800m in vaccum? Express

ID: 2240810 • Letter: P

Question

PART A:

How long (in ns) does it take light to travel 0.800m in vaccum?

Express your answer in the appropriate units

PART B:

What distance does light travel in water during the time that it travels 0.800m in vacuum?

Express your answer in the appropriate units

PART C:

What distance does light on glass during the time that it travels 0.800m in vauum?

Express your answer with the appropriate units

PART D:

What distance does light travel in zircon during the time it travels 0.800 m in vacumm?

Express your answer with the appropriate units

A. speed of light in vaccum = 3*(10^8) m/s

so, time taken = distance/speed = 2.67 ns

B.refractive index. 0f water =1.33

speed of light in water = (3*(10^8) m/s ) / 1.33

distance = .8/1.33 = .6015 m

C.refractive index. 0f glass =1.52

speed of light in glass = (3*(10^8) m/s ) / 1.52

distance = .8/1.52 = .5263 m

D.refractive index. 0f zircon =1.92

speed of light in zircon = (3*(10^8) m/s ) / 1.92

distance = .8/1.92 = .4163 m

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