Physics Sound becomes hazardous noise pollution at decibels? Above 50 db Above 80 db Above 120 db Above 30 db Above 50 db Above 80 db Above 120 db Above 30 db ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Remain unaffected Decrease Increase Have its shape changed Remain unaffected Decrease Increase Have its shape changed ANSWER DOWNLOAD EXAMIANS APP
Physics Plants are dried up in winter due to frost because Photosynthesis does not take place at such low temperature There is mechanical loss of tissues and drought condition prevails Respiration does not take place at low temperature Evaporation does not take place Photosynthesis does not take place at such low temperature There is mechanical loss of tissues and drought condition prevails Respiration does not take place at low temperature Evaporation does not take place ANSWER DOWNLOAD EXAMIANS APP
Physics Q = mcdT refers to Enthalpy formula Heat Transfer formula Specific Heat formula Heat of Vaporization Enthalpy formula Heat Transfer formula Specific Heat formula Heat of Vaporization 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? Ve > Vp Ve < Vp Ve = Vp Cannot be determined Ve > Vp Ve < Vp Ve = Vp Cannot be determined ANSWER DOWNLOAD EXAMIANS APP
Physics If ice floating on water in a vessel melts, the water level in the vessel ________ . Decreases Increases Does not change First increases before decreasing Decreases Increases Does not change First increases before decreasing ANSWER DOWNLOAD EXAMIANS APP
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