SATHEE: Wave Motion 5 Question 11

Wave Motion 5 Question 11

11. How many times does an observer hear maximum intensity in one second?

(2006, 5M)

(a) 4

(b) 10

(d) 8

Show Answer

Answer:

Correct Answer: 11. (a)

Solution:

In one second number of maximas is called the beat frequency. Hence,

$f_{b} = f_{1} - f_{2} = \frac{100 π}{2 π} - \frac{92 π}{2 π} = 4 H z$

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Wave Motion 5 Question 11

11. How many times does an observer hear maximum intensity in one second?

Answer:

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