(iv) The unit of measuring sound is -
(a) Metre
(b) Decibel.
(c) Gram.
(B)
Answer the following questions in one word each -
What was the name of younger brother?
(ii) What do you mean by 'Ahimsa'?
(iii) Which musical instrument did Ustad Bismillah Khan play?
(iv) What is 'Cullet'?
Note: Answer the following questions in one or two sentences each:
0.2 Why did Raja go to his grandmother?
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the unit of measuring sound is Decibel
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