If r1 and r2 are the radii of the atomic nuclei of mass numbers 64 and 125 respectively, then the ratio ( r1/r2 ) is

Questions from CMC Medical 2009

1. Two simple harmonic motions are given by and act on a panicle simultaneously, then the motion of particle will be

2. Two sources are at a finite distance apart. They emit sound of wavelength . An observer situated between them on line joining the sources, approaches towards one source with speed u, then the number of beats heard per second by observer will be

3. A man goes at the top of a smooth inclined plane. He releases a bag to fall freely and himself slides down on inclined plane to reach the bottom. If u1, and u2 are the velocities of the man and bag respectively, then

4. Two planets A and B have the same material density. If the radius of A is twice that of B, then the ratio of escape velocity is

5. The given figure gives electric lines of force due to two charges and . What are the signs of the two charges?

Physics Most Viewed Questions

1. If and respectively denote energy and gravitational constant, then has the dimensions of:

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2. The de Broglie wavelength of an electron moving with kinetic energy of is nearly

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3. A car starts from rest and accelerates at At , a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at ? (Take

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4. A wheel with metallic spokes each long is rotated with a speed of in a plane perpendicular to a magnetic field of . The induced emf between the axle and rim of the wheel will be,

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5. A barometer is constructed using a liquid (density What would be the height of the liquid column, when a mercury barometer reads ?
(density of mercury

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