Physics Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water Decreases rapidly Increases to a great extent Increases slightly Decreases slightly Decreases rapidly Increases to a great extent Increases slightly Decreases slightly ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To make it rust-proof To make it smooth and frictionless To make it more durable To reduce heat loss by radiation To make it rust-proof To make it smooth and frictionless To make it more durable To reduce heat loss by radiation ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Decreases Does not change Increases Becomes infinite Decreases Does not change Increases Becomes infinite ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Absence of gravity outside Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Absence of gravity outside Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy 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 ________. 3 m 0.3 m 30 m 300 m 3 m 0.3 m 30 m 300 m ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of direct current is ________ 100 HZ Zero 60 HZ 50 HZ 100 HZ Zero 60 HZ 50 HZ ANSWER DOWNLOAD EXAMIANS APP
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