Question

A beaker of radius r is filled with water (refractive index ) up to a height H as shown in the figure on the left. The beaker is kept on a horizontal table rotating with angular speed . This This makes the water surface curved so that the difference in the height of water level at the center and at the circumference of the beaker is , as shown in the figure on the right. Take this surface to be approximately spherical with a radius of curvature R. Which of the following is/are correct? (g is the acceleration due to gravity)

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This question has multiple correct options
A

B

C

Apparent depth of the bottom of the beaker is close to

D

Apparent depth of the bottom of the beaker is close to

Hard
JEE Advanced

Solution

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Correct option is
A

D

Apparent depth of the bottom of the beaker is close to





___(i)





___(ii)





Put the value of equation (ii)


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Solve any question of Laws of Motion with:-

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