A candle flame is held `2 metre` above the water level in a tank `4 metre` deep. If `mu` of water is `4//3`, where will image of candle flame be seen ?

A candle flame is held 2 meter above the water level in a tank 4 meter deep. If mu of water is 4//3 , where will the image of candle flame be seen ?

If a number of images of a candle flame are seen in a thick mirror, then

In a pond of water, a flame is held 2 m above the surface of the water. A fish is at depth of 4 m from the water surface. Refractive index of water is (4)/(3) . The apparent height of the flame from the eyes of fish is -

In a pond of water, a flame is held 2 m above the surface of the water. A fish is at depth of 4 m from the water surface. Refractive index of water is (4)/(3) . The apparent height of the flame from the eyes of fish is -

A tank of water is 4 m deep. How deep does it appear when seen normally?

Abida and Ramesh want to heat water taken in separate beakers . Abida kept the beaker near the wick in the yellow part of the candle flame. Ramesh kept the beaker in the outermost part of the flame . Whose water will get heated in a shorter time ? Why ?

The length of a cuboidal tank is 20 metres. The height of the water- level in the tank decreases by 15 cm when 18 kilolitres water is taken out from the tank. Then find the breadth of the tank.