Oil raise up the wick in a lamp. The principle involves
Answer: C
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Heat is associated with
Answer: A
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A woman?s voice is shriller than a man?s voice due to
Answer: C
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Persistence of vision is the principle behind?
Answer: A
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On a stationary sail boat, air is blown from a fan attached to the boat. The boat
Answer: B
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Force of attraction between the molecules of different substances is called
Answer: A
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When a body falls in viscous medium, its velocity first increases and finally becomes constant. The constant velocity is called
Answer: D
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Orbital speed of a satellite is dependent of its mass.
Answer: B
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Why does the sea appear blue in colour?
Answer: C
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Which of following in not a property of cathode ray
Answer: C
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