Physics An object which absorbs all colours and reflects none appears: White Blue Black Grey White Blue Black Grey ANSWER DOWNLOAD EXAMIANS APP
Physics Water is not suitable as a calorimetric substance because it : Low latent heat of vapourization Has high boiling point Has high specific heat Is a good conductor Low latent heat of vapourization Has high boiling point Has high specific heat Is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Nichrome Chromium Tungsten Nickel Nichrome Chromium Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
Physics A wire carrying current is Negatively charged Charged with a type depending upon current strength Neutral Positively charged Negatively charged Charged with a type depending upon current strength Neutral Positively charged ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Troposphere Stratosphere Ozonosphere Ionosphere Troposphere Stratosphere Ozonosphere Ionosphere 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