SATHEE: Optics Question 773

Optics Question 773

Question: The wavelength of sodium light in air is $5890 A A$ . The velocity of light in air is $3 \times 10^{8} m s^{- 1} .$ The wavelength of light in a glass of refractive index 1.6 would be close to

[DCE 2003]

Options:

A) $5890 A A$

B) $3681 A A$

C) $9424 A A$

D) $15078 A A$

Show Answer

Answer:

Correct Answer: B

Solution:

$λ_{g} = \frac{λ_{a}}{μ_{g}}$

$= \frac{5890}{1.6} = 3681 A A$ .

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Optics Question 773

Question: The wavelength of sodium light in air is 5890AA . The velocity of light in air is 3×108ms−1. The wavelength of light in a glass of refractive index 1.6 would be close to

Options:

Answer:

Solution:

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Question: The wavelength of sodium light in air is $5890 A A$ . The velocity of light in air is $3 \times 10^{8} m s^{- 1} .$ The wavelength of light in a glass of refractive index 1.6 would be close to