Physics Rate of change of displacement is known as ________ Speed Distance Velocity Acceleration Speed Distance Velocity Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of X-ray Ultraviolet ray G-ray Infrared ray X-ray Ultraviolet ray G-ray Infrared ray ANSWER DOWNLOAD EXAMIANS APP
Physics A television channel is characterised by Size of picture tube Frequency of transmitted signal Velocity of transmitted signal Physical dimension of television screen Size of picture tube Frequency of transmitted signal Velocity of transmitted signal Physical dimension of television screen ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? These make work easier Work input > work output None of these Both A & B These make work easier Work input > work output None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves to avoid frictional force between the tracks and wheels the train may not fly off in the opposite direction necessary centrifugal force may be obtained from the horizontal component weight of the train necessary centripetal force may be obtained from the horizontal component of the weight of the train to avoid frictional force between the tracks and wheels the train may not fly off in the opposite direction necessary centrifugal force may be obtained from the horizontal component weight of the train necessary centripetal force may be obtained from the horizontal component of the weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics A photo-electric cell converts Heat energy to mechanical energy Light energy to chemical energy Mechanical energy to electric energy Light energy to electrical energy Heat energy to mechanical energy Light energy to chemical energy Mechanical energy to electric energy Light energy to electrical energy ANSWER DOWNLOAD EXAMIANS APP
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