MDCAT Physics Chapter 5 Oscillations Online Test With Answers

MDCAT Physics Chapter 5 Oscillations Online Test

Sr. # Questions Answers Choice
1 The time period of a simple pendulum is 1 second. If g = 9.8 m /sec2, then length of the simple pendulum will be: 380 m 0.25 m 2.5 m None of these
2 A second's pendulum completes 5 vibrations in: 5 seconds 10 seconds 2.5 seconds 15 seconds
3 Which of the following quantities /quantity becomes zero at any moment during oscillation. Speed Acceleration Momentum All of these
4 A small bob is swung from a rope 2.45 m long. Its period of oscillation is: 3.14 seconds 4.72 seconds 6.82 seconds 8.35 seconds
5 The length of second's pendulum at a place where g=980 cm/sec2is: 77 cm 88.1 cm 99.2 cm 100.3 cm
6 Second's pendulum is the pendulum whose time period is: 1 second 2 second 3 second None of these
7 The frequency of second's pendulum is: 0.5 Hz 1.0 Hz 1.5 Hz 2 Hz
8 When a simple pendulum swings, which of the following quantities does not become zero throughout the oscillation? Speed weight Acceleration Momentum
9 Which of the following is responsible for the motion of the bob of the simple pendulum: mg sin𝜽 Tension T mg cos𝜽 mg
10 The tension T in the string of a simple pendulum acts: Velocity down load Along the string Vertically upward None of these
11 The string of simple pendulum should be: Heavy Extensible Inextensible None of these
12 At what place , motion of a simple pendulum will be the slowest: On the surface of the earth All of the centre of earth At the quarter Both B and C
13 Time period of a simple pendulum at certain placed depends upon: Mass of the bob Amplitude Material of the bob None of these
14 At which place simple pendulum will vibrate the slowest? Muree Karachi Mount Everest None of these
15 If length of the second's pendulum is denoted by L1then the length of a pendulum having a period of 1 second is: L/2 2 L L / 4 4 L
16 The time period of a simple pendulum does not depend upon. Amplitude Mass Length Both A and B
17 If time period of a pendulum is doubled by increasing its length, then its frequency will: Also be doubled Become half Become one fourth Becomes four times
18 Pendulums having same lengths will vibrate with: Same frequency Different periods Differnet freqeuncies None of these
19 If L is length of a simple pendulum and T is its time period, then graph between different values of L and T2 will be A curve A straight line A sine curve None of these
20 if ratio of time periods of two pendulum is 1:2 then the ratio of their length will be: 4 : 1 1 : 2 1 : 4 None of these
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