A wavelength of 0.3m is produced in air and it travels at a speed of 300 m/s.Then it will be an_physics class 11 mcqs

If a wheel of radius 0.5 m is rolling without slipping then its linear distance covered in three revolutions will be

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If T is time period of simple pendulum at a place where acceleration due to gravity is g,then length of pendulum is

A rocket of mass 0.200kg is launched from rest.It reaches point "p" lying at height 30m above the surface of the earth from the starting point.In the process+425 J of work is done on the rocket by the burning chemical propellent ignoring air resistance an

The mass of moon is 7.34×1022kg and the radius is 1.74×106m.The value of gravitation force will be_Physics class 11 mcqs

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The time rate of change of angular momentum of a body is equal to

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Angular frequency of second pendulum is

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A lens thinner at the center than that at the edges is said to

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In angular motion the analog of force is