Sound-Sound Needs a Medium for Propagation [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 3 of 3
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Question 1
Question MCQ▾
Why one cannot listen the sounds on moon?
Choices
Choice (4) | Response | |
---|---|---|
a. | There are ultrasonic waves | |
b. | There are infrasonic waves | |
c. | There is no medium on moon | |
d. | Maximum vibration of an object |
Question 2
Question MCQ▾
Intensity of sound is called as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Amplitude | |
b. | Shrillness | |
c. | Loudness | |
d. | Oscillation |
Question 3
Question MCQ▾
Sound can travel through
Choices
Choice (4) | Response | |
---|---|---|
a. | Gases | |
b. | Solid | |
c. | Liquids | |
d. | All a., b. and c. are correct |