Solar eclipse will take place when
Answer: C
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A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat?
Answer: D
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One watt-hour is equivalent to
Answer: C
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Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection
Answer: C
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Radio telescopes are better than optical telescopes because
Answer: D
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Planets are
Answer: B
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Out of the following pairs, which one does not have identical dimension?
Answer: A
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Radiocarbon is produced in the atmosphere as a result of
Answer: A
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Which of the following is the best conductor of electricity?
Answer: C
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Planets do not twinkle because
Answer: D
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