- (A) positive
- (B) negative
- (C) zero
- (D) none of these
Physics Mcqs
- (A) heat energy to K.E
- (B) elastic P.E to K.E
- (C) elemical energy to elastic P.E
- (D) K.E to elastic P.
- (A) 1600 ms-1
- (B) 50.6 ms-1
- (C) 71.6 ms-1
- (D) 2263ms-1
- (A) 4.2 km S-1
- (B) 7.5 km S-1
- (C) 9.5 km S-1
- (D) 1.1 km S-1
- (A) 120 J
- (B) 60 J
- (C) 30 J
- (D) 0.02 J
- (A) friction
- (B) electric
- (C) gravitational
- (D) magnetic
- (A) momentum increases 4 times and K.E increases 2 times
- (B) momentum and K.E. remain same
- (C) momentum increases 2 times and K.E increases constant
- (D) momentum increases 2 times and K.E increases 4 time
- (A) always positive
- (B) always negative
- (C) positive only for small frictional force
- (D) positive only for large frictional force
- (A) decay of radioactive element in the earth
- (B) compression of material in the earth
- (C) residual lost of the earth
- (D) all as said in A – B and C
- (A) its mass
- (B) the angle at which it is thrown
- (C) both its mass and the angle at which it is thrown
- (D) gravitational field of earth
