(A) 10m/s
(B) 20m/s
(C) 25m/s
(D) 30m/s
A measuring cylinder will be used to measure?
(A) Level of liquid
(B) Area
(C) Volume
(D) Mass
Mercury is used as thermometric material because it has?
(A) Less heat capacity
(B) Uniform thermal expansion
(C) Low freezing point
(D) All above properties
If the velocity of a body becomes double then its kinetic energy?
(A) Remains the same
(B) Becomes four times
(C) Becomes double
(D) Becomes half
The number of vectors that can be added by head to tail rule is?
(A) 2
(B) 3
(C) 4
(D) Any number
1N is equal to?
(A) 1 Kg ms-2
(B) 1 Kg ms
(C) 1 Kg m-1s-1
(D) None of the above
Newton’s first law of motion is valid only in the absence of?
(A) Force
(B) Net Force
(C) Friction
(D) Momentum
A ball is thrown vertically upward. Its velocity at the highest point is?
(A) Zero
(B) One
(C) Two
(D) None of the above