SOUND WAVE

Which of the following is free vibration?

• Tuning fork

• Vibrating string

• Oscillating pend

• None of these

Which of the following depends upon timber?

• Amplitude

• Pitch

• Waveform

• All of these

Amplitude of two sounds of frequency 256 Hz are 1m and 3 m respectively. What will be ratio of their loudness and pitch?

• 1:3 and 1:1

• 1:9 and 1:1

• 1:1 and 1:1

• None

Which of the following are application of ultrasound?

• SONAR

• EchoCardiography

• Sonography

• All of the above

Which of The following characteristics help us to identify two sounds of same frequency?

• Loudness

• Pitch

• Waveform

• None