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Two pendulums of lengths 1 m and 16 m Start oscillating one behind the other from the same stand. At some instant, the two are in the mean position in the same phase. The time period of shorter pendulum is T. The minimum time, after which the two threads of the pendulum will be one behind the other, is
 

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Important Questions on Oscillations

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IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Critical Thinking>Q 63
The time period of a simple pendulum inside a stationary lift isT. If it starts descending with acceleration g5, the new period of the simple pendulum will be
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Critical Thinking>Q 64
A simple pendulum of length l Has a brass bob attached at its lower end. Its period is T. If a steel bob of same size having density×Time that of brass replaces the brass bob and its length is changed so that period becomes 2T , then new length is
EASY
MHT-CET
IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Critical Thinking>Q 65
Two pendulums begin to swing simultaneously. If the ratio of the frequency of oscillations of the two is 7:8, then the ratio of lengths of the two pendulums will be
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MHT-CET
IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Critical Thinking>Q 66
The length of the second's pendulum on the surface of earth is 1m. The length of second's pendulum on the surface of moon, where g is 16th of the surface of earth, is
EASY
MHT-CET
IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Critical Thinking>Q 67
If the length of second's pendulum is increased by 2%,how many seconds will it lose per day?
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MHT-CET
IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Critical Thinking>Q 68
A clock which keeps correct time at 20 °C is subjected to 40 °C . If coefficient of linear expansion of the pendulum is 12×10-6 per °C, then how much time will it lose in one day?
EASY
MHT-CET
IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Critical Thinking>Q 69
The length of a simple pendulum is increased by 69%. The percentage change in its time period is
EASY
MHT-CET
IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Critical Thinking>Q 70
Two pendulums A and B Having periodic times 4 s and 4.25 s Are made to oscillate simultaneously. At time t=0, they are in the same phase. Time after which they will be again in the same phase is