## Velocity - MCQ - Basic Level

Physics is an important subject in preparation for various Competitive exams. To keep a track of your preparation we have designed a small quiz of Basic Level Questions on Velocity. You have 10 minutes to solve the quiz, click the start timer button in order to start the timer and then click on submit button at the end to submit the quiz and view your scores and correct answers.

Q1.  The velocity of a particle in simple harmonic motion at displacement y from mean position is

•  Ï‰√(a2 + y2)
•  Ï‰√(a2 - y2)
•  Ï‰y
•  Ï‰2√(a2 + y2)

Q2. An object is attached to the bottom of a light vertical spring and set vibrating. The maximum speed of the object is 15 cm/sec and the period is 628 milli-seconds. The amplitude of the motion in centimeters is

•  3.0
•  2.0
•  1.5
•  1.0

Q3. A particle in S.H.M. is described by the displacement function x(t) = Acos(Ï‰t + Î¸) . If the initial (t = 0) position of the particle is 1 cm and its initial velocity is Ï€ cm/s. The angular frequency of the particle is Ï€s-1, then it’s amplitude is

•  1 cm
•  √2 cm
•  2 cm
•  2.5 cm

Q4. If a simple pendulum oscillates with an amplitude of 50 mm and time period of 2 sec, then its maximum velocity is

•  0.10 m/s
•  0.15 m/s
•  0.8 m/s
•  0.16 m/s

Q5. If a particle under S.H.M. has time period 0.1 sec and amplitude 2 x 10-3 m . It has maximum velocity

•  Ï€/25 m/s
•  Ï€/26 m/s
•  Ï€/30 m/s
•  None of these

Q6. A particle executes simple harmonic motion with an amplitude of 4 cm. At the mean position the velocity of the particle is 10 cm/s. The distance of the particle from the mean position when its speed becomes 5 cm/s is

•  √3 cm
•  √5 cm
•  2√3 cm
•  2√5 cm

Q7. A body is executing S.H.M. When its displacement from the mean position is 4 cm and 5 cm, the corresponding velocity of the body is 10 cm/sec and 8 cm/sec. Then the time period of the body is

•  2Ï€ sec
•  Ï€/2 sec
•  Ï€ sec
•  √3Ï€/2 sec

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Velocity - MCQ - Basic