(A) becomes double
(B) remains the same
(C) becomes half
(D) becomes one fourth
Answer: (A) becomes double
Category: Physics MCQs Class 9
Physics solved multiple choice questions (MCQs) for class 9 with answers.
Which of the following material has large specific heat?
(A) copper
(B) ice
(C) water
(D) mercury
Answer: (C) water
Which of the following is the lightest one?
(A) copper
(B) mercury
(C) aluminum
(D) lead
Answer: (C) aluminum
The kinetic energy of a body of mass 2 kg is 25 J. Its speed is:
(A) 5 ms-1
(B) 12.5 ms-1
(C) 25 ms-1
(D) 50 ms-1
Answer: (A) 5 ms-1
The word done will be zero when the angle between the force and the distance is:
(A) 45°
(B) 60°
(C) 90°
(D) 180°
Answer: (C) 90°