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 potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is : 0.20902777777778 0.12638888888889 0.12777777777778 0.21111111111111 0.20902777777778 0.12638888888889 0.12777777777778 0.21111111111111 ANSWER DOWNLOAD EXAMIANS APP
Physics For every action, there is an equal and opposite reaction, is Newton's Third law Second law Fourth law First law Third law Second law Fourth law First law ANSWER DOWNLOAD EXAMIANS APP
Physics Brightness of bulb depends on voltage or current? Current None Voltage Both A & B Current None Voltage Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Solar energy Geothermal energy Wind energy Tidal energy Solar energy Geothermal energy Wind energy Tidal energy ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ You cannot hear the sound of explosion 3.7 hours 2 hours 20 minutes 20 minutes You cannot hear the sound of explosion 3.7 hours 2 hours 20 minutes 20 minutes ANSWER DOWNLOAD EXAMIANS APP
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