All India Engineering / Architecture Entrance Examination (AIEEE)

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AIEEE 2010 Physics

Q. 25. For a particle in uniform circular motion, the acceleration at a point on the circle of radius R is (Here is measured from the x-axis)

Sol:

Answer : (3)

Directions: Questions number 56 – 58 are based on the following paragraph. An intially parallel cylindrical beam travels in a medium of refractive index where and are positive constants and I is the intensity of the light beam. The intensity of the beam is decreasing with increasing radius.