Physics Quiz for Railway And SSC All Competitive Exams
1. Mechanical waves
A) Are longitudinal only
B) Transverses only
C) Both A and B
D) None of these

2. Transverses waves can propagate
A) Both in a gas and in a metal
B) In a gas but not in a metal
C) Not in a gas but in a metal
D) Neither in a gas nor in a metal

3. Waves which do not require any material medium for its propagation is
A) Matter waves
C) Elestic waves
D) Electromagnetic waves

4. The period of pendulum depends upon
A) Mass
B) Length
C) Amplitude
D) Energy

5. If a pendulum is allowed to oscillate in to jar containing water, its period will be
A) Increase
B) Decrease
C) Remain same
D) None of these

6. If the mass of the pendulum is doubled, the time period
A) Become double
B) Become half
C) Become four times
D) None of these

7. When the bomb is central position the forces are
A) Balenced
B) Un Balenced
C) Both A and B
D) None of these

8. The phenomenon in which the amplitude of oscillationof pendulum decreases gradually is called
A) Decay period of oscillation
B) Damping
C) Building up oscillation
D) Maintained oscillation

9. The product of the time period of a wave and its frequency is
A) Infinite
B) Zero
C) Unity
D) None of these