What is the relation between wavelength, frequency and velocity ?
Answer: C
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Mirage is due to:
Answer: A
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Ultrasonic waves are used for stirring liquid solutions because they
Answer: C
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Which of the following is an electromagnetic wave ?
Answer: C
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Water has maximum density at............
Answer: C
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Rectifiers are used to convert
Answer: B
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A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will
Answer: B
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Which of the following is an example of continous emission spectrum?
Answer: A
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Skating on ice is possible because
Answer: C
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When an electric bulb breaks, there is an explosive sound. That is due to
Answer: C
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