4 T 2C 17 The apparent depth of water in cylindrical water

Last updated: 6/2/2023

4 T 2C 17 The apparent depth of water in cylindrical water tank of diameter 2R cm is reducing at the rate of x cm min when water is being drained out at a constant rate The amount of water drained in cc minute is n refractive index of air n refractive index of water 1 X R n 772 3 2TRn 1 2 XTR n n 4 R2X