The Nature of Waves

The number of waves per second is called the ____________________.

The time taken for one cycle to occur is called the _______________.

When a wave hits an obstacle, it bounces back. This effect is called _______________.

A wave changes speed and bends when it passes through a boundary or material. This effect is called _______________________.

The term 'pitch' is directly associated with which wave property?

The loudness of a sound is directly associated with which wave property?

An ultrasound is a sound with frequency greater than ________________.

Sound travels more quickly through _______________ than ______________.

Which region of the electromagnetic spectrum has the longest wavelength?

Which colours are in the order of increasing frequency?