Physics Global warming is expected to result in All of these Increase in level of sea Change in coast line Change in crop pattern All of these Increase in level of sea Change in coast line Change in crop pattern 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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Sun's heat reaches us by Reflection Conduction Radiation Convection Reflection Conduction Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? 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 It expands or contracts according to its coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics The earth is a Bad absorber and bad radiator of heat Good absorber and good radiator of heat Good reflector of heat Non-absorber of heat Bad absorber and bad radiator of heat Good absorber and good radiator of heat Good reflector of heat Non-absorber of heat ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS