A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will
Answer: C
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Who discovered X-Rays?
Answer: B
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Isotopes of an element contain
Answer: A
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Energy posses by a body in motion is called
Answer: B
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What is refractive index ?
Answer: C
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A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point the rifle
Answer: B
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Heat energy of an object is
Answer: B
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A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because
Answer: B
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Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be
Answer: B
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Moment of inertia is
Answer: D
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