Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Is also doubled Becomes half Becomes 1/4 th Become 4 times Is also doubled Becomes half Becomes 1/4 th Become 4 times ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of Magnetic Induction? Ohm Volt Farad Henry Ohm Volt Farad Henry ANSWER DOWNLOAD EXAMIANS APP
Physics Damp clothes are dried in spin dryers by the action of Centripetal forces Central forces Centrifugal forces Non central forces Centripetal forces Central forces Centrifugal forces Non central forces ANSWER DOWNLOAD EXAMIANS APP
Physics A man stands on the pan of a balance holding a fish in his right hand and bucket of water in his left hand. If he transfers the fish into the bucket, the total weight on the pan First increases and then decreases Remains the same Increases Decreases First increases and then decreases Remains the same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics A white and smooth surface is Good absorber and bad reflector of heat Bad absorber and good reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and good reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat ANSWER DOWNLOAD EXAMIANS APP
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