Physics Sound cannot pass through Vacuum Water Steel Air Vacuum Water Steel Air ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: The heating effect of current alone Hysteresis loss alone Both the heating effect of current and hysteresis loss Intense sunlight at noon The heating effect of current alone Hysteresis loss alone Both the heating effect of current and hysteresis loss Intense sunlight at noon ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to The infra-red rays G-rays X-rays The ultraviolet rays The infra-red rays G-rays X-rays The ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? Water Air Solar All of these Water Air Solar All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 seconds 42 years 42 seconds 4.2 years 4.2 seconds 42 years 42 seconds 4.2 years ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension of Planck constant equals to that of Momentum Energy Angular momentum Power Momentum Energy Angular momentum Power ANSWER DOWNLOAD EXAMIANS APP
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