SATHEE: Optics Question 726

Optics Question 726

Question: When light travels from air to water and from water to glass, again from glass to $C O_{2}$ gas and finally through air. The relation between their refractive indices will be given by

Options:

A) $_{a} n_{w} \times_{w} n_{g l} \times_{g l} n_{g a s} \times_{g a s} n_{a} = 1$

B) $_{a} n_{w} \times_{w} n_{g l} \times_{g a s} n_{g l} \times_{g l} n_{a} = 1$

C) $_{a} n_{w} \times_{w} n_{g l} \times_{g l} n_{g a s} = 1$

D) There is no such relation

Show Answer

Answer:

Correct Answer: A

Solution:

$_{a} n_{w} \times_{w} n_{g l} \times_{g l} n_{g a s} \times_{g a s} n_{a}$

$= \frac{n_{w}}{n_{a}} \times \frac{n_{g l}}{n_{w}} \times \frac{n_{g a s}}{n_{g l}} \times \frac{n_{a}}{n_{g a s}} = 1$

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Optics Question 726

Question: When light travels from air to water and from water to glass, again from glass to CO2 gas and finally through air. The relation between their refractive indices will be given by

Options:

Answer:

Solution:

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Question: When light travels from air to water and from water to glass, again from glass to $C O_{2}$ gas and finally through air. The relation between their refractive indices will be given by