Physics
(i) What is the relation between the refractive index of water with respect to air (<sub>a</sub>μ<sub>w</sub>) and the refractive index of air with respect to water (<sub>w</sub>μ<sub>a</sub>) (ii) If the refractive index of water with respect to air (<sub>a</sub>μ<sub>w</sub>) is . Calculate the refractive index of air with respect to water (<sub>w</sub>μ<sub>a</sub>).
Related Questions
The specific heat capacity of a substance A is 3,800 J kg-1K-1 and that of a substance B is 400 J kg-1K-1. Which of the two substances is a good conductor of heat? Give a reason for your answer.
An electromagnetic radiation is used for photography in fog.
(i) Identify the radiation.
(ii) Why is this radiation mentioned by you, ideal for this purpose?
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(i) Define critical angle.
(ii) State one important factor which affects the critical angle of a given medium.