(A) 6.38×10^-6 m
(B) 6.38×10^6 m
(C) 63.8×10^-6 m
(D) 63.8×10^6 m
Answer: 6.38×10^6 m
The radius of earth is 6.38×10^6 m.
Category: Physics MCQs Class 9
physics MCQs questions with answers of class 9 or 9th class. SSC Part-I physics multiple choice questions from past papers.
If F=100N and v=2.5 m/s , then Power will be:
(A) 25 watt
(B) 250 watt
(C) 2.5 Kilo watt
(D) 250 mega watt
Answer: (B) 250 watt
If F=100N and v=2.5 m/s , then Power will be 250 watt.
A body is said to be in motion if it changes its position with respect to:
(A) Speed
(B) Time
(C) Velocity
(D) Torque
Answer: (B) Time
A body is said to be in motion if it changes its position with respect to time.
Boiling point of water at S.T.P is:
(A) 0 K
(B) 273 K
(C) 100 K
(D) 373 K
Answer: (D) 373 K
Boiling point of water at S.T.P is 373 K .