Physics What is the minimum distance (in metres) required to hear an echo? 21 10 17 13 21 10 17 13 ANSWER DOWNLOAD EXAMIANS APP
Physics The alluminating powers of two sources are compared by A photometer A fluxmeter A polarimeter A spectrometer A photometer A fluxmeter A polarimeter A spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 0.001 1 × 1010 0.01 1 × 10–10 0.001 1 × 1010 0.01 1 × 10–10 ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier for a man to swim in sea water, than in river water because The density of sea water is lesser than the density of river water The sea is-deeper than the river The density of sea water is more than the density of river water The sea is wider than the river The density of sea water is lesser than the density of river water The sea is-deeper than the river The density of sea water is more than the density of river water The sea is wider than the river ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : With the speed of light Heating the medium through which it passes In all directions In a straight line With the speed of light Heating the medium through which it passes In all directions In a straight line ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Interference Reflection Refraction Polarisation Interference Reflection Refraction Polarisation ANSWER DOWNLOAD EXAMIANS APP
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