If g is the acceleration due to gravity on the earth s surface, the gain in potential energy of the
body at a height equal to two times the radius R of the earth will be:
The moment of inertia of a uniform horizontal cylinder of mass M about an axis passing |
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Two soap bubbles of radii x and y coalesce to constitute a bubble of radius z is equal |
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A particle of mass m is located in a one dimensional potential field where potential |
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The period of oscillation of a simple pendulum of length l suspended from the roof of |
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A diver at a depth of 12 m in water $\\mu=\\dfrac{4}{3}$ sees the sky in a cone of semiverticale |
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A particle performs a uniform circular motion with an angular momentum L. If the frequency of |
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A radioactive substance has a half-life of 60 minutes. During 3 hour, the fraction of atoms that |
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A convex lens of focal length 30 cm produces 5 times magnified real image of an |
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The frequency of oscillation of current in the inductance is |
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1.56 X $10^5$J of heat is conducted through a 2 $m^2$ wall of 12 cm thick in one hour. |
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