| Read the statements carefully |
| I. Noise is any disturbing and unpleasant sound. |
| II. Dobson unit is the measurement scale for sound intensity. |
| Which of the statement(s) given above is/are correct? |
A) Only I
B) Only II
C) Both I and II
D) Neither I nor II
Correct Answer: C
Solution :
[c] Sound is a very necessary thing but noise is any disturbance and unpleasant sound and dobson unit is the scale to record sound intensity.
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