Entry Test MCQ :: Oscillations
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11. |
The frequency of the second pendulum is |
A. |
1 hertz |
B. |
0.5 hertz |
C. |
1.5 hertz |
D. |
2.5 hertz |
Answer: Option B
Explanation:
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12. |
Simple harmonic motion is a type of |
A. |
rotational motion |
B. |
circular motion |
C. |
musical arrangement |
D. |
vibratory motion |
Answer: Option D
Explanation:
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13. |
The SI unit of force constant is identical with that of |
A. |
force |
B. |
pressure |
C. |
surface tension |
D. |
loudness |
Answer: Option C
Explanation:
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14. |
When the amplitude of a wave become double its energy become |
A. |
double |
B. |
four times |
C. |
one half |
D. |
none time |
Answer: Option B
Explanation:
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15. |
A simple pendulum suspended form the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is |
Answer: Option A
Explanation:
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16. |
The energy of SHM is maximum at |
A. |
mean position |
B. |
extreme position |
C. |
in between mean and extreme |
D. |
all positions during SHM |
Answer: Option D
Explanation:
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17. |
The product of frequency and time period is equal to |
Answer: Option A
Explanation:
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18. |
When one is the correct graph between acceleration a and displacement d for SHM? |
Answer: Option B
Explanation:
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19. |
The displacement of SHM is written as X = X? sin?t if displacement is written by X = X? son ?t then phase constant will be equal to |
Answer: Option C
Explanation:
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20. |
For what displacement the P.E becomes 1/4 of its maximum value? |
A. |
x = x? |
B. |
x = x?/2 |
C. |
x = x?/4 |
D. |
x = x?2/2 |
Answer: Option B
Explanation:
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