The length of second pendulum is 1 m on earth. If mass and diameter
The length of second pendulum is 1 m on earth. If mass and diameter of the planet is double than that of earth, then length becomes
Options
(a) 1 m (b) 2 m […]
Oscillations
The maximum velocity of a particle, executing simple harmonic motion with an amplitude
The maximum velocity of a particle, executing simple harmonic motion with an amplitude 7 mm, is 4.4 m/s. The period of oscillation is
Options
(a) 100 s (b) 0.01 s (c) 10 s […]
When a mass m is attached to a spring, it normally extends by 0.2 m.
When a mass m is attached to a spring, it normally extends by 0.2 m. The mass m is given a slight extension and released. Its time period will then be
Options
(a) […]
The amplitude of S.H.M. y=2 (sin 5πt+√2 cos 5πt) is
The amplitude of S.H.M. y=2 (sin 5πt+√2 cos 5πt) is
Options
(a) 2 (b) 2√2 (c) 4 (d) 2√3
Correct Answer:
2√3
Explanation:
No explanation available. Be the first to write the explanation […]
The point of suspension λ of a simple pendulum with normal time period T₁ is moving
The point of suspension λ of a simple pendulum with normal time period T₁ is moving upward according to equation y=kt² where k=1 m/s². If new time period is T² the ratio T₁²/T₂² will be […]
The period of a simple pendulum inside a stationary lift is T. The lift accelerates
The period of a simple pendulum inside a stationary lift is T. The lift accelerates upwards with an acceleration of g/3. The time period of pendulum will be
Options
(a) √2 T (b) […]
The escape velocity of a body on an imaginary planet which is thrice the radius
The escape velocity of a body on an imaginary planet which is thrice the radius of the earth are double the mass of the earth (Ve is the escape velocity from the earth)
Options […]
A particle doing SHM has amplitude=4 cm and time period = 12 sec. The ratio between times
A particle doing SHM has amplitude=4 cm and time period = 12 sec. The ratio between times taken by it in going from its mean position to 2 cm and from 2 cm to extreme […]
Two particles P and Q start from origin and execute simple harmonic motion along X-axis
Two particles P and Q start from origin and execute simple harmonic motion along X-axis with same amplitude but with periods 3 sec and 6 sec respectively. The ratio of velocities of P and Q […]
If angular momentum of a body is increased by 200% its kinetic energy will increase
If angular momentum of a body is increased by 200% its kinetic energy will increase by
Options
(a) 400% (b) 800% (c) 200% (d) 100%
Correct Answer:
800%
Explanation:
No explanation available. Be […]