Light of wavelength 590 nanometer in air, enters into water. Find the speed, frequency, wavelength of light in water. Assumed that frequency of light remain same in both the media, if the refractive index of water is 1•3.
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wavelength = 590 nm . = 590× 10^-9.
speed of light in water = 3×10^-8/1.3
=. 2.30 × 10 ^8.
frequency in air or water { same in both }. =. v' = C / wavelength 3×10^8 /590 × 10^-9
= 508× 10 ^12 Hz .
wavelength = S. of light in water {v} / frequency {v' } =. 2.30 x 10^8 / 508 × 10^12.
wavelength. ➖. 0.00452 × 10^6
solve some . you get 445× 0.1 nm.
Therefore:_ Frequency , wavelength and speed of light in water is 508 × 10^12 , 445.01nm and 2.30 × 10 ^8. RESPECTIVELY.
HOPE IT IS HELPFUL !!!☺☺.
speed of light in water = 3×10^-8/1.3
=. 2.30 × 10 ^8.
frequency in air or water { same in both }. =. v' = C / wavelength 3×10^8 /590 × 10^-9
= 508× 10 ^12 Hz .
wavelength = S. of light in water {v} / frequency {v' } =. 2.30 x 10^8 / 508 × 10^12.
wavelength. ➖. 0.00452 × 10^6
solve some . you get 445× 0.1 nm.
Therefore:_ Frequency , wavelength and speed of light in water is 508 × 10^12 , 445.01nm and 2.30 × 10 ^8. RESPECTIVELY.
HOPE IT IS HELPFUL !!!☺☺.
Anonymous:
:-)
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