The amplitudes of three sound waves A, B and C are in the ratio 1: 2 : 3. If the amplitudes of the sound waves A, B and C becomes double, halved and one third respectively. The ratio of their intensities becomes

तीन ध्वनि तरंगों A, B तथा C के आयामों का अनुपात 1, 2, 3 है। यदि ध्वनि तरंगों A, B तथा C के आयाम क्रमशः दोगुने, आधे तथा एक तिहाई हो जाते हैं। तब इनकी तीव्रताओं का अनुपात हो जाता है

1 : 1 : 4

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2 : 3 : 9

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4 : 1 : 9

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4 : 1 : 1

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The correct option is D 4 : 1 : 1

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The correct option is D 4 : 1 : 1 Solution

The correct option is D 4 : 1 : 1

Solution