If the amplitude of waves at a distance r from a line source is A, then amplitude at a distance 4 r will be:
(a) 2A
(b) A
(c) A/4
(d) A/2

Question

If the amplitude of waves at a distance r from a line source is A, then amplitude at a distance 4 r will be: (a) 2A (b) A (c) A/4 (d) A/2

Saurabh Koranglekar · Answer

Vikas TU · Answer

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If the amplitude of waves at a distance r from a line source is A, then amplitude at a distance 4 r will be: (a) 2A (b) A (c) A/4 (d) A/2

If the amplitude of waves at a distance r from a line source is A, then amplitude at a distance 4 r will be:
(a) 2A
(b) A
(c) A/4
(d) A/2

2 Answers

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If the amplitude of waves at a distance r from a line source is A, then amplitude at a distance 4 r will be: (a) 2A (b) A (c) A/4 (d) A/2

If the amplitude of waves at a distance r from a line source is A, then amplitude at a distance 4 r will be: (a) 2A (b) A (c) A/4 (d) A/2

2 Answers

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If the amplitude of waves at a distance r from a line source is A, then amplitude at a distance 4 r will be:
(a) 2A
(b) A
(c) A/4
(d) A/2