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