Physics Which of the following options correctly explains the term heat budget? 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. 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation? Diffraction Polarization Interference Scattering Diffraction Polarization Interference Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators ANSWER DOWNLOAD EXAMIANS APP
Physics A voltaic cell converts chemical energy to Mechanical energy Heat energy Light energy Electrical energy Mechanical energy Heat energy Light energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Shining white Rough white Rough black Shining black Shining white Rough white Rough black Shining black ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 2 1.2 1.5 1 2 1.2 1.5 1 ANSWER DOWNLOAD EXAMIANS APP
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