Physics Green house effect is the heating up of the Earth's atmosphere which is due to X-rays G-rays The ultraviolet rays The infra-red rays X-rays G-rays The ultraviolet rays The infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low resistance Low work function Low melting point High melting point Low resistance Low work function Low melting point High melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Current signal into sound signal Sound signal into current signal Light signal into sound signal Sound signal into light signal Current signal into sound signal Sound signal into current signal Light signal into sound signal Sound signal into light signal ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? Kg/m2 Kg/m Kg/m3 It has no unit Kg/m2 Kg/m Kg/m3 It has no unit ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photoelectric effect Photovoltaic effect Photosynthesis Photoconductive effect Photoelectric effect Photovoltaic effect Photosynthesis Photoconductive effect ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of intensity of sound? Newton Tesla Heartz Decibel Newton Tesla Heartz Decibel ANSWER DOWNLOAD EXAMIANS APP
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