Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 5 J 20 J 500 J 0.2 J 5 J 20 J 500 J 0.2 J ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of a musical note depends on Velocity of sound in the medium Fundamental frequency Harmonics present Amplitude of the wave Velocity of sound in the medium Fundamental frequency Harmonics present Amplitude of the wave ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth Produce heat and radiate it toward earth ANSWER DOWNLOAD EXAMIANS APP
Physics Which process allows water to enter the atmosphere? Transpiration Condensation Evaporation Respiration Transpiration Condensation Evaporation Respiration ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the second largest source of global energy? Fossil fuel Renewable Energy Nuclear Energy None of these Fossil fuel Renewable Energy Nuclear Energy None of these ANSWER DOWNLOAD EXAMIANS APP
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