Quantum phy, physics, Physics

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The nucleus of helium contains, The nucleus of helium contains : (1)Four...

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A sphere of radius R touches two adjacent sides of a room.It also touches an inclined plane at a height of R/5 from the floor.the inclined plane moves towards the sphere at the spe

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Mass of a sphere of diameter 1cm whose density is 900 kg/m^3, mass=volume *...

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