SATHEE: Physics And Measurement Question 206

Physics And Measurement Question 206

Question: Suppose refractive index $μ$ is given as $μ = A + \frac{B}{λ_{}^{2}}$ where A and B are constants and $λ$ is wavelength, then dimensions of B are same as that of

Options:

A) Wavelength

B) Volume

C) Pressure

D) Area

Show Answer

Answer:

Correct Answer: D

Solution:

[d] As $μ = \frac{V e l o c i t y o f l i g h t i n v a c c u m}{V e l o c i t y o f l i g h t i n m e d i u m}$ , hence $μ$ is dimensionless. T

hus, each term on the RHS of given equation should be dimensionless, i.e., $B / λ^{2}$ is dimensionless, i.e., B should have dimension of $λ^{2}$ , i.e., $c m^{2}$ , i.e., area.

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Physics And Measurement Question 206

Question: Suppose refractive index μ is given as μ=A+Bλ2 where A and B are constants and λ is wavelength, then dimensions of B are same as that of

Options:

Answer:

Solution:

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Question: Suppose refractive index $μ$ is given as $μ = A + \frac{B}{λ_{}^{2}}$ where A and B are constants and $λ$ is wavelength, then dimensions of B are same as that of