A ray of light is incident at the glass-water interface at an angle i, it emerges finally parallel to the surface of water, then the value of ng would be

Question:

Options :

(a) (4/3) sin i
(b) 1/sin i
(c) 4/3
(d) 1

Answer :

(b) 1/sin i

Answer Steps :

step 1

step 2

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Two simple harmonic motions of angular frequency 100 rad/sec and 1000 rad/s have the same displacement amplitude. The ratio of their maximum acceleration is

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Related Questions

Forty electric bulbs are connected in series across a 220 V supply. After one bulb is fused, the remaining 39 are connected again in series across the same supply. The illumination will be

If a body is executing simple harmonic motion then

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