Physics What is the minimum distance (in metres) required to hear an echo? 17 21 10 13 17 21 10 13 ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicle tyres are inflated properly To ensure smooth running. To allow the vehicle to take more load. To go fast and save fuel. To avoid skidding and to minimise friction To ensure smooth running. To allow the vehicle to take more load. To go fast and save fuel. To avoid skidding and to minimise friction ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Four times One–fourth Half Double Four times One–fourth Half Double ANSWER DOWNLOAD EXAMIANS APP
Physics Transformer is a device to convert Mechanical energy into Electrical energy C. to A.C. Low voltage A.C. into high voltage A.C. Low voltage D.C. into high voltage D.C. Mechanical energy into Electrical energy C. to A.C. Low voltage A.C. into high voltage A.C. Low voltage D.C. into high voltage D.C. ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that He may increase his speed Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. No frictional force may be produced between the wheels and the axle His weight may be reduced He may increase his speed Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. No frictional force may be produced between the wheels and the axle His weight may be reduced ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid evaporates The liquid boils The liquid cools No change The liquid evaporates The liquid boils The liquid cools No change ANSWER DOWNLOAD EXAMIANS APP
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