(A) 360 J
(B) 36 J
(C) 3.6 J
(D) 3600 J
Answer: (A) 360 J
Category: Physics MCQs Class 9
Physics solved multiple choice questions (MCQs) for class 9 with answers.
The value of ‘g’ at a height one earth’s radius above the surface of earth is _____.
(A) 2 g
(B) 1/2 g
(C) 1/3 g
(D) 1/4 g
Answer: (D) 1/4 g
The center of gravity of triangular shaped body is _____.
(A) The point of intersection of its medians
(B) The point of intersection of its diagonals
(C) The point of intersection of altitudes
(D) The center of the triangle
Answer: (A) The point of intersection of its medians
A block of mass 4 kg is supported by a string. The tension in the string is _____.
(A) 20 N
(B) 40 N
(C) 4 N
(D) 0 N
Answer: (B) 40 N
Which of the following is NOT a vector quantity?
(A) Force
(B) Velocity
(C) Momentum
(D) Speed
Answer: (D) Speed