Physics The rotational effect of a force on a body about an axis of rotation is described in terms of Centre of gravity Moment of force Centripetal force Centrifugal force Centre of gravity Moment of force Centripetal force Centrifugal force ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Enrico Fermi Marie Curie Henri Becquerel Ernest Rutherfor Enrico Fermi Marie Curie Henri Becquerel Ernest Rutherfor ANSWER DOWNLOAD EXAMIANS APP
Physics On a stationary sail boat, air is blown from a fan attached to the boat. The boat spins around moves in opposite direction in which the air is blown moves in the same direction in which air blows does not move spins around moves in opposite direction in which the air is blown moves in the same direction in which air blows does not move ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve > Vp Cannot be determined Ve < Vp Ve = Vp Ve > Vp Cannot be determined Ve < Vp Ve = Vp 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 centripetal force may be obtained from the horizontal component of the weight of the train necessary centrifugal force may be obtained from the horizontal component weight of the train to avoid frictional force between the tracks and wheels the train may not fly off in the opposite direction necessary centripetal force may be obtained from the horizontal component of the weight of the train necessary centrifugal force may be obtained from the horizontal component weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics Air coolers are more suitable for Hot and humid climate Cool and dry climate Hot and dry climate Cool and humid climate Hot and humid climate Cool and dry climate Hot and dry climate Cool and humid climate ANSWER DOWNLOAD EXAMIANS APP
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