Advertisements
Advertisements
प्रश्न
Complete the following sentences:
An average person can hear sound of frequencies in the range ______ to _________.
Advertisements
उत्तर
An average person can hear sound of frequencies in the range 20 Hz to 20 kHz.
APPEARS IN
संबंधित प्रश्न
Which has the higher frequency - ultrasonic sound or infrasonic sound?
Name the sound of the frequency given below:
100 Hz
Name the sound of the frequency given below:
1000 Hz
Can you hear the sound produced due to vibrations of a seconds pendulum? Give reasons.
State the approximate speed of ultrasound in air.
Explain how do bats locate the obstacles and prey in their way.
State two applications of ultrasound.
The properties of ultrasound that make it useful are
An electromagnetic wave has a time period of 4 × 10-8 s. Calculate its frequency in MHz.
1 hertz is equal to
