Physics The cover of a solar cooker is made of glass because 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 It reflects sun's rays It absorbs sun's rays ANSWER DOWNLOAD EXAMIANS APP
Physics A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ? 3 metres 1 metre 2 metres 4 metres 3 metres 1 metre 2 metres 4 metres ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Cannot be determined Ve > Vp Ve < Vp Ve = Vp Cannot be determined Ve > Vp Ve < Vp Ve = Vp ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops acquire spherical shape due to Friction Elasticity Surface tension Viscosity Friction Elasticity Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency used in TV and radar system lies in SHF HF UHF VHF SHF HF UHF VHF ANSWER DOWNLOAD EXAMIANS APP
Physics What is the fundamental unit of amount of a substance? Candela Mole Meter Kelvin Candela Mole Meter Kelvin ANSWER DOWNLOAD EXAMIANS APP
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