Sound is a form of:
Audible frequencies range that a normal human ear can detect is:
The approximate value of the speed of sound in air at 0°C temperature is:
Sound travels faster in solid as compared to gases because of:
The two factors that affect the speed of sound in the air are:
The separation between two consecutive compressions of the sound wave is called:
The order of speed of the sound in different mediums from faster to slowest is:
Ultrasound has several uses in medicine and industry. Which one has the use of ultrasound?
The cause of the echo is:
Which type of waves cannot travel through a vacuum?