Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has low temperature coefficient of expansion Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has low temperature coefficient of expansion Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics Pieces of camphor placed on water move about rapidly. This is because of Viscosity Surface tension Diffusion Capillarity Viscosity Surface tension Diffusion Capillarity ANSWER DOWNLOAD EXAMIANS APP
Physics An object covers distance which is directly proportional to the square of the time. Its accelaration is Zero Constant Increasing Decreasing Zero Constant Increasing Decreasing ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? These make work easier Both A & B None of these Work input > work output These make work easier Both A & B None of these Work input > work output ANSWER DOWNLOAD EXAMIANS APP
Physics Clouds float in the atmosphere because of their Low viscosity Low temperature Low density Low pressure Low viscosity Low temperature Low density Low pressure ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of Same frequency All of these Same phase Same amplitude Same frequency All of these Same phase Same amplitude ANSWER DOWNLOAD EXAMIANS APP
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