Picture shows a wave is produced after a stone is being dropped into a calm pond. The waves produced travelling outward in expanding circles from the centre of the disturbance

Which statement is correct about the movement of the particles in the water during the propagation of the wave

The diagram shows the vibration of a string when the hand is moved up and down.

The vibration of the string demonstrates \(\underline {\hspace {3.5cm}}\).

Source: Trial SPM Pulau Pinang 2016

The diagram shows the propagation of certain longitudinal waves.

What is the wavelength of the waves?

(A)  \(12 \space \text {cm}\)

(B)  \(18 \space \text {cm}\)

(C)  \(20 \space \text {cm}\)

(D)  \(36 \space \text {cm}\)

Source: Trial SPM Perlis 2015

The diagram shows a slinky spring experiment. The speed of vibration is \(0.2 \space \text m \text s^{-1}\).

What is the frequency of the vibration?

(A)  \(0.1 \space \text {Hz}\)

(B)  \(0.2 \space \text {Hz}\)

(C)  \(0.4 \space \text {Hz}\)

(D)  \(2.5 \space \text {Hz}\)

Source: Trial SPM Kedah 2018

The diagram shows a graph of wave motion.

Which quantities are shown by M and N?

Source: Trial SPM Sarawak 2016