Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: non-renewable natural resource Neither renewable nor non renewable resource A mixture of renewable and non-renewable natural resource Renewable natural resource non-renewable natural resource Neither renewable nor non renewable resource A mixture of renewable and non-renewable natural resource Renewable natural resource ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : Endoscopy Ultrasound scans X-ray photos CAT scans Endoscopy Ultrasound scans X-ray photos CAT scans ANSWER DOWNLOAD EXAMIANS APP
Physics In which form is the supplied heat energy stored during change in temperature of substance? Kinetic energy Heat energy Potential energy Both kinetic and potential energy Kinetic energy Heat energy Potential energy Both kinetic and potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Atomic absorption Atomic emission Electron absorption Electron emission Atomic absorption Atomic emission Electron absorption Electron emission ANSWER DOWNLOAD EXAMIANS APP
Physics Depth of ocean is measured by Animometer Siesmometer Aerometer Fathometer Animometer Siesmometer Aerometer Fathometer ANSWER DOWNLOAD EXAMIANS APP
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