(A) 84000 J
(B) 84000000 J
(C) 13447 J
(D) 1344000 J
Answer: (A) 84000 J
Physics solved multiple choice questions (MCQs) for class 9 with answers.
(A) 84000 J
(B) 84000000 J
(C) 13447 J
(D) 1344000 J
Answer: (A) 84000 J
(A) JKg-1 K-1
(B) JK-1
(C) K-1
(D) Wm-1 K-1
Answer: (D) Wm-1 K-1
(A) 1/2 mv²
(B) mv²
(C) 2 mv²
(D) 1/4 mv²
Answer: (B) mv²
(A) 27.4 days
(B) 28.3 days
(C) 655.2 hours
(D) 3.96 weeks
Answer: (C) 655.2 hours
(A) Its velocity is not changing
(B) Its acceleration is uniform
(C) Its velocity is changing
(D) Its acceleration is not uniform
Answer: (A) Its velocity is not changing