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 Acceptable noise level for human ear = 85 db < 85 db None of these > 85 db = 85 db < 85 db None of these > 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following cannot be used for making lenses? Glass Soil Plastic Water Glass Soil Plastic Water ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays can cause Gene mutation Sneezing Fever Burning Gene mutation Sneezing Fever Burning ANSWER DOWNLOAD EXAMIANS APP
Physics Brightness of bulb depends on voltage or current? Both A & B Current None Voltage Both A & B Current None Voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Super cooling stands for cooling of a liquid : At melting point At freezing point Below freezing point Above melting point At melting point At freezing point Below freezing point Above melting point ANSWER DOWNLOAD EXAMIANS APP
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