Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has high temperature coefficient of expansion Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has high temperature coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of light is maximum in ________ Solids Liquids Gases Vacuum Solids Liquids Gases Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics When a bullet is fired from a gun The gun moves forward The gun jumps up The gun recoils with the same momentum as the bullet The gun does not move The gun moves forward The gun jumps up The gun recoils with the same momentum as the bullet The gun does not move ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Dentists mirros Car headlights Shaving mirros Driving mirrors Dentists mirros Car headlights Shaving mirros Driving mirrors ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of Pyrex glass Flint glass Ordinary glass Cobalt glass Pyrex glass Flint glass Ordinary glass Cobalt glass ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Metallic-conductor Super-conductor Insulator Semi-conductor Metallic-conductor Super-conductor Insulator Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
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