Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?
Answer: B
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Which statement best describes an igneous intrusion?
Answer: B
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Which of the following is a scalar quantity
Answer: A
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When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of
Answer: D
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The force that keeps a body in a circular motion called
Answer: A
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Force of attraction between the molecules of same substance is called
Answer: B
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Supersonic plane fly with the speed
Answer: C
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A convex mirror is used to form an image of a real object. The image
Answer: D
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Distance of stars are measured in
Answer: D
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At the Curie temperature, the ferromagnetic materials get converted into
Answer: C
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