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Physics

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Sound waves in air are

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out of the following, which is not emitted by radioactive substance?

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Rectifiers are used to convert

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Pick out the scalar quantity

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If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same

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Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?

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Let a thin capillary tube be replaced with another tube of insufficient length then, we find water

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Metals are good conductors of electricity because

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Planets do not twinkle because

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Pa(Pascal) is the unit for

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Stars appears to move from east to west because

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Light from the Sun reaches us in nearly

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Mirage is due to

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Mirage is due to

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Light year is a unit of

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Nuclear sizes are expressed in a unit named

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Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to

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Siphon will fail to work if

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The absorption of ink by blotting paper involves

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The absorption of ink by blotting paper involves

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It is easier to roll a stone up a sloping road than to lift it vertical upwards because

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Radiocarbon is produced in the atmosphere as a result of

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Radiocarbon is produced in the atmosphere as a result of

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