A million electron are added to a pith ball. Its charge is________?
A. – 1.6 × 10–12 coulomb
B. – 1.6 × 10–13 coulomb
C. – 1.6 × 10 –18 coulomb
D. – 1.6 × 10 coulomb
Physics MCQs with Answers
The first overtone of a stretched string of given length is 320 Hz. The first harmonic is_________?
A. 320 Hz
B. 640 Hz
C. 160 Hz
D. 480 Hz
What is the ratio of the velocity of sound at 4 atmosphere to that at 1 atmosphere?
A. 4 : 1
B. 1 : 1
C. 2 : 1
D. 1 : 2
The internal energy of the system increases__________?
A. in adiabatic expansion
B. in adiabatic compression
C. in isothermal expansion
D. in isothermal compression
A football is kicked at 45 degrees with horizontal with K.E of E. Its K.E. at highest point is
A. Zero
B. E/2
C. E
D. E/(2)1/2
A ball is thrown towards the earth and bounce back. During this process:
A. Direction of velocity and acceleration changes
B. Direction of Displacement and acceleration changes
C. Direction of Displacement and Velocity changes
D. Direction of Displacement, Velocity and acceleration changes
Potential energy means?
A. Due to position of object
B. Due to motion of object
C. Due to gravity
D. None of these
Tick the correct statement_________________?
A. Moderators slow down the neutrons
B. Moderators bring the neutrons to rest
C. Moderators absorb the neutrons
D. Moderators reflect the neutrons
