Diagram shows the interference patterns of three monochromatic light sources of P, Q and R. What are the spectrum colours of light sources P, Q and R?

Diagram shows a water waves passing through a gap between concrete barriers near the beach. The wave’s phenomenon occurs is

Diagram shows an interference pattern of a water wave produced by two coherent sources, S₁and S₂. At which points, the constructive interference occur?

A radar transmit a signal towards an aeroplane. The velocity of the signal is 3.0 x 10⁸ms^-1 . After 4.0 x 10^-3 s the radar detects the reflected signal. What is the distance of the aeroplane from the radar?

Diagram shows a stretched steel wire produces a loud sound when the wire is plucked. A loud sound indicates

Diagram shows a wave. Wavelength is shown by

Which of the following is the characteristic of reflected waves?

Diagram shows water waves heading towards an island. Which of the following phenomenon experienced by the water waves?

Diagram shows audio signals on the same scaled displacement-time graphs. Which graph shows the highest pitch audio signal?

Diagram shows a pattern of water waves observed by a student after he threw a stone into a lake. Which of the following comparisons is true about area J and area K?

Diagram shows interference patterns for three monochromatic lights. Which of the following are the colours for the monochromatic lights?

Diagram shows two consecutives loud sounds heard along PQ line at 3.0 m from two similar loud speakers connected to an audio generator. Determine the distance between two consecutives loud sounds along RS line located 1.0 m from PQ line.

Diagram shows a stone 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?

Diagram shows a simple pendulum oscillating at its natural frequency. The angle of oscillation is Ɵ. The angle of oscillation, Ɵ is then increased. Which quantity is also increased?

A red light of wave length 7.0 x 10^-7 m passes through a glass with a speed of 2.0 x 10⁸ m s^-1 . What is the frequency of the red light?

Diagram shows an interference pattern. What is the wavelength of the waves?

Diagram shows the position of a shooter and a concrete wall when the shooter shoots. What is the time interval between the shooting sound and its echo heard by the shooter? [The speed of the sound in air is 330 ms^-1 ]

Diagram shows an application of electromagnetic waves. Which pair is correct about the characteristics of the wave used?

Diagram shows a climber starts a stopwatch as he shouts. He hears an echo from the opposite side of the valley after 1.0 seconds. The sound travels at 340 m s^-1 . What is the width of the valley?

A musical instrument produces a loud sound. A loud sound means

Diagram shows water waves propagate from a deep area to a shallow area. What is the wavelength of the water waves in the shallow area?

Sound waves with wavelength, λ_S and light waves with wavelength, λ_L travel at the same time through a gap of diameter 2 cm. Which of the following is correct?

Diagram shows two wave pulses, X and Y, are at the same distance from P. Which waveform is observed at P

Which of the following statements is true about electromagnetic waves?

Diagram shows a displacement-distance graph of a wave. What is the amplitude of the wave?

Diagram shows a dolphin creates ‘clicks’ sound to detect a school of fish by the reflection of sound phenomenon. Which statement about the reflected sound is correct?

The diagram shows the refraction of sea water propagates to the shore. What happen to the frequency of sea water near the beach?

Diagram shows a phenomenon of sea wave when passes through a gap. Assuming that the depth of water at sea is equal to the depth at river, which wave pattern represent the wave from P to Q?

Diagram shows an experiment to study the refraction of sound wave. A microphone connected to a Cathode Ray Oscilloscope is placed at three different places, P, Q and R. Which is true about the amplitude of sound wave shown by the oscilloscope?

Diagram shows two students are standing at the corner of a building. When a sound wave generator is switch on, only a student standing at X can hears the sound from loud speaker. Meanwhile both students standing at X and Y can hear the sound from loud speaker when the sound generator is adjusted to;

Which arrangement below shows the different types of electromagnetic waves in order of decreasing frequency?

Diagram shows an oscillating system. Which graph shows the correct relationship between displacement and time for the oscillating system?

Diagram shows the layers of air when waves are produced by a vibrating tuning fork. Which distance represents one wavelength?

Diagram shows a stone dropped into a lake with the depth of water increasing towards the centre of the lake. Which of the following is the wave pattern formed?

Which diagram shows the correct wave pattern when plane water wave pas$ through a gap?

Which of the following electromagnetic waves has the lowest frequency?

Diagram shows Ales is swinging a slinky spring from point X to Y continuously. If the speed of the waves produced in the spring is 4.5 ms^-1. What is the time taken by Alex to moves his hand from X to point Y?

Which of the following graphs represent the relationship between λ and f for water wave in a ripple tank at a constant water depth?

Diagram shows bright and dark fringes produced in a Young’s double slit experiment using a monochromic blue light source. What will happen to the fringes if a green light source is used?