Question
Easy
Identify the correct statement from among the following :
1
The lower the frequency of the vibration, higher is the pitch.
2
The loudness of sound is determined by the frequency of vibration.
3
Sound cannot travel through vacuum.
4
Pitch of sound is determined by its amplitude.
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P2
Chapter: Sound
Topic: Production and Propagation
Correct Answer
Option C
Explanation
Option 3: "Sound cannot travel through vacuum" is the correct statement. Sound is a mechanical wave that requires a medium (such as air, water, or solids) to travel. In a vacuum, there are no particles to transmit the vibrations of sound waves, making it impossible for sound to propagate. This is why, for example, sound cannot be heard in outer space, which is a vacuum. Explanation for why the other…Read More
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