Physics Which resource is both renewable and inexpensive? Coal Minerals Gold Sunlight Coal Minerals Gold Sunlight 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 No radiation of heat takes place Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts works as good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It becomes very hard It has a low specific heat capacity It reflects most of the heat from the sun It has a high latent heat of fusion It becomes very hard It has a low specific heat capacity It reflects most of the heat from the sun It has a high latent heat of fusion ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Henri Becquerel Marie Curie Enrico Fermi Ernest Rutherfor Henri Becquerel Marie Curie Enrico Fermi Ernest Rutherfor ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of Pyrex glass Cobalt glass Flint glass Ordinary glass Pyrex glass Cobalt glass Flint glass Ordinary glass ANSWER DOWNLOAD EXAMIANS APP
Physics Sun's heat reaches us by Radiation Convection Reflection Conduction Radiation Convection Reflection Conduction ANSWER DOWNLOAD EXAMIANS APP
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