A sound wave in air has a frequency of 262 Hz and travels

Chapter 5, Problem 37P

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QUESTION:

(I) A sound wave in air has a frequency of \(262 \mathrm{~Hz}\) and travels with a speed of \(343 \mathrm{~m} / \mathrm{s}\). How far apart are the wave crests (compressions)?

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QUESTION:

(I) A sound wave in air has a frequency of \(262 \mathrm{~Hz}\) and travels with a speed of \(343 \mathrm{~m} / \mathrm{s}\). How far apart are the wave crests (compressions)?

ANSWER:

Step 1 Here, we have to find out the probability of 3 balls labelled A, B and C to be placed in box 1. First, we should draw all the possible combination of the balls A, B and C either in box 1 and 2. We have to focus only on the balls A, B and C and we can take either 3 balls as random for labelling A, B and C.

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