Physics
If the refractive index of air with respect to glass is expressed as answer the following: (a) Express the similar expression for in terms of i and r. (b) If angle r = 90°, what is the corresponding angle (i) is called? (c) Write down the physical significance of angle (i) in part (b).
Related Questions
The given figure shows a trace of a sound wave which is produced by a particular tuning fork.
(a) Draw a trace of the sound wave which has a higher pitch than that shown in figure.
(b) Draw a trace of the sound wave which is louder than that shown in figure.
Why should a fuse with defined rating not be replaced by one with a larger rating?
How does increase in the temperature affect the specific resistance of a metal and semiconductor?
The magnetic field produced by a current carrying conductor is shown below. Is there a similar magnetic field produced around a thin beam of moving α-particles and neutrons? Justify your answer.
