(A) big size of their molecules
(B) small size of their molecules
(C) rapid vibration of their atoms
(D) free electrons
Answer: (D) free electrons
Physics solved multiple choice questions (MCQs) for class 9 with answers.
(A) big size of their molecules
(B) small size of their molecules
(C) rapid vibration of their atoms
(D) free electrons
Answer: (D) free electrons
(A) 122°F
(B) 90°F
(C) 120°F
(D) 124°F
Answer: (A) 122°F
(A) 1 Nm2
(B) 10-2 Nm-2
(C) 1 Nm-2
(D) 0.5 Nm-2
Answer: (C) 1 Nm-2
(A) 674W
(B) 776W
(C) 476W
(D) 746W
Answer: (D) 746W
(A) 6.673×10-11 Nm2 kg-2
(B) 6.673×10-11 Nm kg-2
(C) 10 ms-2
(D) 6.4×106 Nm2 kg-2
Answer: (A) 6.673×10-11 Nm2 kg-2