(A) 5.6 km/s
(B) 11 km/s
(C) 22.4 km/s
(D) 44 km/s
Tag: Physics Mcq
Escape velocity of a body of mass 1000 Kg is 11 km/s. If the mass of the body is double then its escape velocity will be?
(A) 5.5 km/s
(B) 11 km/s
(C) 22 km/s
(D) 44 km/s
The value of escape velocity of earth is?
(A) 11.6×103 m/s
(B) 11×103 m/s
(C) 11.5×103 m/s
(D) None of the above
The escape velocity is maximum for?
(A) Earth
(B) Mars
(C) Mercury
(D) Moon
A 4N body falls through a height of 0.5m after falling 0.25 m its kinetic energy will be?
(A) 1.0 J
(B) 9.8 J
(C) 2.0 J
(D) 20 J
A body has potential energy=mgh, when it is height h from the ground, at the point at the distance x below from top its potential energy will be?
(A) Mgx
(B) Mgh
(C) Mg(h+x)
(D) Mg(h-x)
Choice of zero potential energy level is?
(A) At infinity
(B) Surface of earth
(C) Just above the surface of earth
(D) Arbitrary
Heat is a?
(A) Fixed quantity
(B) Scalar quantity
(C) Vector quantity
(D) None of the above