Physics Global warming is expected to result in Change in coast line All of these Change in crop pattern Increase in level of sea Change in coast line All of these Change in crop pattern Increase in level of sea ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Sun's heat reaches us by Conduction Radiation Reflection Convection Conduction Radiation Reflection Convection ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? Expands Contracts It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter Expands Contracts It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter ANSWER DOWNLOAD EXAMIANS APP
Physics The earth is a Good reflector of heat Bad absorber and bad radiator of heat Good absorber and good radiator of heat Non-absorber of heat Good reflector of heat Bad absorber and bad radiator of heat Good absorber and good radiator of heat Non-absorber of heat ANSWER DOWNLOAD EXAMIANS APP
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