A cup of milk is placed in a microwave oven. Tell which statements is false. (1) Milk will be heated up only. (2) Cup will remain cool. (3) Both cup and mild will get hot ?
A. None
B. 1
C. 2
D. 3
Physics Mcqs
The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?
The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?
A. 10 cm
B. 5 cm
C. 15 cm
D. 7.5 cm
For a simple pendulu,m the restoring force is caused by________________?
For a simple pendulu,m the restoring force is caused by________________?
A. Gravity
B. Spring
C. Hand
D. All of these
Displacement of the body in S.H.M is equal to amplitude when the body is at_______________?
Displacement of the body in S.H.M is equal to amplitude when the body is at_______________?
A. Mean position
B. Elsewhere
C. Extreme position
D. None
The projection of the particle moving in a circle with non-uniform speed executes ?
The projection of the particle moving in a circle with non-uniform speed executes ?
A. S.H.M
B. Vibratory motion
C. Both B and D
D. None S.H.M
The velocity of the mass attached to a spring is maximum at_______________?
The velocity of the mass attached to a spring is maximum at_______________?
A. Mean position
B. Extreme position
C. Both A and B
D. None
At Murree Hills (Assume the value of g changes). If we use a simple pendulum as time standard then one-second duration will_____________?
At Murree Hills (Assume the value of g changes). If we use a simple pendulum as time standard then one-second duration will_____________?
A. Increase
B. Decrease
C. Remains the same
D. Is zero
The mass attached to a spring executes ?
The mass attached to a spring executes ?
A. Vibratory motion
B. Rotatory motion
C. S.H.M
D. Both A and C
Forced vibration is known as_____________________?
Forced vibration is known as_____________________?
A. Simple harmonic vibration
B. Natural vibration
C. Driven harmonic vibration
D. Free vibration
In damped harmonic oscillation which one decreases ?
In damped harmonic oscillation which one decreases ?
A. Amplitude of vibration
B. Energy of vibration
C. Both amplitude and energy
D. Neither amplitude nor energy