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