Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 20 Hz 15 Hz 5 Hz 32 Hz 20 Hz 15 Hz 5 Hz 32 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Frictional force acts in All the directions The same direction as the motion The opposite direction of the motion Upward direction All the directions The same direction as the motion The opposite direction of the motion Upward direction ANSWER DOWNLOAD EXAMIANS APP
Physics Energy travels from Sun to Earth through Radiation Modulation Conduction Convection Radiation Modulation Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 0.001 1 × 10–10 0.01 1 × 1010 0.001 1 × 10–10 0.01 1 × 1010 ANSWER DOWNLOAD EXAMIANS APP
Physics The average kinetic energy of the molecules of an ideal gas is directly proportional to Absolute temperature of the gas Temperature of environment Velocity of Molecules Mass of Molecules Absolute temperature of the gas Temperature of environment Velocity of Molecules Mass of Molecules ANSWER DOWNLOAD EXAMIANS APP
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