Physics Infrasonic sound has a frequency lower than 32 Hz 5 Hz 15 Hz 20 Hz 32 Hz 5 Hz 15 Hz 20 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 20 minutes 2 hours 20 minutes 3.7 hours You cannot hear the sound of explosion 20 minutes 2 hours 20 minutes 3.7 hours You cannot hear the sound of explosion ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To reduce heat loss by radiation To make it more durable To make it rust-proof To make it smooth and frictionless To reduce heat loss by radiation To make it more durable To make it rust-proof To make it smooth and frictionless ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire None of these Circle the wire in closed loops Extend radially from the wire Both of these None of these Circle the wire in closed loops Extend radially from the wire Both of these ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays can cause Burning Fever Sneezing Gene mutation Burning Fever Sneezing Gene mutation ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor The forbidden energy gap is very narrow The valence band and the conduction band overlap each other The forbidden energy gap is very wide There is no conduction band The forbidden energy gap is very narrow The valence band and the conduction band overlap each other The forbidden energy gap is very wide There is no conduction band ANSWER DOWNLOAD EXAMIANS APP
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