The given diagram shows a detector placed between a transmitter of sound waves and a metal plate. At three adjacent points, R, S and T, the meter shows zero intensity. Which of the following is the frequency of the emitted wave?
(Take the velocity of sound as=300 m/s)

The given diagram shows a detector placed between a transmitter of sound waves and a metal plate. At three adjacent points, R, S and T, the meter shows zero intensity. Which of the following is the frequency of the emitted wave?

(Take the velocity of sound as=300 m/s)

900 Hz

100 Hz

1.01 Hz

0.09 Hz

The given diagram shows a detector placed between a transmitter of sound waves and a metal plate. At three adjacent points, R, S and T, the meter shows zero intensity. Which of the following is the frequency of the emitted wave?(Take the velocity of sound as=300 m/s)

The given diagram shows a detector placed between a transmitter of sound waves and a metal plate. At three adjacent points, R, S and T, the meter shows zero intensity. Which of the following is the frequency of the emitted wave?
(Take the velocity of sound as=300 m/s)