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Sounds waves and Motion MCQ question and answer with solution | Physics Gk MCQs

Learn Sounds waves and Motion MCQ Questions and answers with easy and logical explanations in Physics Gk . Sounds waves and Motion MCQ question provides all type of technical mcq questions which is important for SSC-CGL, UPPSC, NDA, CDS and all govt examinations Page-2 section-2

Each section contains 100 MCQs on Sounds waves and Motion .
11
A transmission station transmits waves with a frequency of 71 × 104 Hz and a speed of 3 × 108 m per second. The wavelength of waves is
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Answer & Solution
Answer: Option C
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12
Which of the following waves include compression and spillage response-
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Answer: Option A
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13
The sound will have the highest velocity in
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Answer: Option D
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14
Due to which phenomena sound is heard at longer distance in nights than in day.
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Answer: Option B
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15
Which of the following statements are true/false about the speed of sound in different mediums at 25°C?
Statements :
A. Speed of sound in air is 346 m/s.
B. Speed of sound in water (distilled) is 1498 m/s.
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Answer & Solution
Answer: Option B
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16
In progressive wave,
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Answer: Option D
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17
Decibel is a term connected with
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Answer: Option C
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18
To detect the obstacles in their path, bats produce . . . . . . . .
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Answer: Option C
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19
Waves produced at the bottom of the sea due to an explosion are . . . . . . . .
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Answer: Option B
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20
The speed of sound in air at 0°C is
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Answer: Option B
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