Physics The cover of a solar cooker is made of glass because It reflects sun's rays It absorbs sun's rays It retains the heat inside by the green house effect It rediates heat better than metals It reflects sun's rays It absorbs sun's rays It retains the heat inside by the green house effect It rediates heat better than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid None of these Joule/ mm Newton /m2 Electron volt /cm2 None of these Joule/ mm Newton /m2 Electron volt /cm2 ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: White Grey Black Blue White Grey Black Blue ANSWER DOWNLOAD EXAMIANS APP
Physics Sound following a flash of lightning is called Cloud clash Stoning Bolting Thunder Cloud clash Stoning Bolting Thunder ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is the amount of heat which the surface of earth receives from the sun. It is the radiation from the earth in the form of long waves. It is the balance between incoming and outgoing radiation It is a mode of transfer of heat through matter by molecular activity. It is the amount of heat which the surface of earth receives from the sun. It is the radiation from the earth in the form of long waves. It is the balance between incoming and outgoing radiation It is a mode of transfer of heat through matter by molecular activity. ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to see the distant objects on the Earth is Simple microscope Terrestrial telescope Compound microscope Astronomical telescope Simple microscope Terrestrial telescope Compound microscope Astronomical telescope ANSWER DOWNLOAD EXAMIANS APP
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