CBSE (Central Board of Secondary Education) Class-8 Science: Questions 341 - 348 of 465
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Question 341
Question MCQ▾
The sound which a normal human can hear is called as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Audible sounds | |
b. | Inaudible sounds | |
c. | None of the above | |
d. | Question does not provide sufficient data or is vague |
Question 342
Question MCQ▾
Ear protectors must be used by the:
Choices
Choice (4) | Response | |
---|---|---|
a. | Pneumatic drill operators | |
b. | Tractors drivers | |
c. | Factory workers | |
d. | All a., b. and c. are correct |
Question 343
Question MCQ▾
If you are indoors what to do during earthquake
Choices
Choice (4) | Response | |
---|---|---|
a. | Get under a desk table or bench | |
b. | Run outside | |
c. | Pick a safe place where things will not fall on you | |
d. | Both a. and c. are correct |
Question 344
Question MCQ▾
Earth is made up of:
Choices
Choice (4) | Response | |
---|---|---|
a. | Three layers | |
b. | Two layers | |
c. | Four layers | |
d. | All of the above |
Question 345
Question MCQ▾
Allowing the charge to flow to the earth is called:
Choices
Choice (4) | Response | |
---|---|---|
a. | Lightning | |
b. | Discharging | |
c. | Earthing | |
d. | Charging |
Question 346
Question MCQ▾
Intensity of sound is called as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Amplitude | |
b. | Shrillness | |
c. | Loudness | |
d. | Oscillation |
Question 347
Question MCQ▾
The maximum vibration of an object is called:
Choices
Choice (4) | Response | |
---|---|---|
a. | Amplitude | |
b. | Oscillation | |
c. | Pitch | |
d. | Vibration |
Question 348
Question MCQ▾
Friction helps to:
Choices
Choice (4) | Response | |
---|---|---|
a. | Write on paper | |
b. | Walk or run | |
c. | Holding objects | |
d. | All a., b. and c. are correct |