Radiocarbon dating technique is used to estimate the age of
Answer: D
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Mercury is commonly used as a thermometric fluid rather than water because
Answer: C
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The nuclear reaction in which a heavy nucleus splits into two nuclei of nearly equal mass is called
Answer: C
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What is unit of Astronomical distance ?
Answer: A
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Nuclear sizes are expressed in a unit named
Answer: A
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Sound waves in air are
Answer: B
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Sound travels with a different speed in media. In what order does the velocity of sound increase in these media?
Answer: C
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The core of an electromagnet is made of soft iron because soft iron has
Answer: B
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A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ?
Answer: B
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Which of the following is the fastest communication channel?
Answer: A
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