If speed of light is 3.00xx10^8 m/s and ...

If speed of light is `3.00xx10^8` m/s and 1 year =365.25 days, then 1 light year is

`9.468xx10^15` m

9.47 m

`9.47xx10^5` m

`9.46xx10^15` m

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1 light year is equal to

The speed of light in air is 3.00xx 10^8 m//s The distance travelled by light in one year (i.e.365 days = 3.154xx10^7s) is know as one light year. A student calculates one light year = 9.462xx10^(15) m. Do you agree with the student ? If not what should be the correct value of one light year?

What is the speed of light in glass of refractive index 1.5 ? Given speed of light in water is 2.25 xx 10^8 m//s and refractive index of water is 1.3 .

The refractive index of glass is (3)/(2) and the refractive index of water is (4)/(3) . The speed of light in glass is 2.00 xx 10^(8) ms^(-1) . What is the speed of light in water in ms^(-1) ?

The absolute refractive indices of glass and water are (3)/(2) and (4)/(3) respectively. If the speed of light is 2xx10^(8) m//s , calculate the speed of light in (i) vacuum, (ii) water.

If the speed of light is 3.0xx10^(8) m s^(-1) , calculate the distance covered by light in 2.00 ns .

If speed of light in air is 3xx10^(8) m//s, the speed of light in glass (with refractive index 1.5) would be

AAKASH INSTITUTE-UNITS AND MEASUREMENTS-ASSIGNMENT SECTION B Objective (One option is correct )

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