Physics Which phenomenon is responsible for the echo of sound wave? Reflection Polarisation Refraction Interference Reflection Polarisation Refraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics The value of coefficient of restitution in perfectly elastic collision is 2 1 0.5 2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Pipelines expand due to freezing Water freezes and expands in its volume Pipelines contract in their volume Temperature of ice is less than that of water Pipelines expand due to freezing Water freezes and expands in its volume Pipelines contract in their volume Temperature of ice is less than that of water ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 300 m 3 m 0.3 m 30 m 300 m 3 m 0.3 m 30 m ANSWER DOWNLOAD EXAMIANS APP
Physics A photo-electric cell converts Light energy to electrical energy Heat energy to mechanical energy Mechanical energy to electric energy Light energy to chemical energy Light energy to electrical energy Heat energy to mechanical energy Mechanical energy to electric energy Light energy to chemical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The splitting of different colours of light in a prism is : Reflection of light Disperson of light Refraction of light Diffraction of light Reflection of light Disperson of light Refraction of light Diffraction of light ANSWER DOWNLOAD EXAMIANS APP
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