Photoelectric effect was given by ____________________?
Photoelectric effect was given by ____________________?
A. Hertz
B. Fresnel
C. Einstein
D. Plank
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An artificial satellite revolves round the Earth in circular orbit, which quantity remains constant?
An artificial satellite revolves round the Earth in circular orbit, which quantity remains constant?A. Angular Momentum
B. Angular Displacement
C. Linear Velocity
D. None of the aboveWhen the body moves with terminal velocity the acceleration in the body become_____________?
When the body moves with terminal velocity the acceleration in the body become_____________?A. 0
B. Maximum
C. Variable
D. InfiniteIf a body of mass 10 kg is allowed to fall freely, its weight becomes______________?
If a body of mass 10 kg is allowed to fall freely, its weight becomes______________?A. 0
B. 89N
C. 9.8 N
D. 10NThe dimension of torque is______________?
The dimension of torque is______________?A. [ML2T-2]
B. [MLT-2]
C. [ML2T]
D. [ML-2T-2]When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to__________________?
When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to__________________?A. Centripetal force
B. Gravitational force
C. Their inertia
D. Centrifugal forceThe density of human blood is nearly equal to____________?
The density of human blood is nearly equal to____________?A. Water
B. Honey
C. Mercury
D. Oil (kerosene)