Practice MCQs For Waves, Light, Lens & Sound



This quiz contains practice questions for GCE ‘O’ level topics: General Waves Properties, Reflection and Refraction Of Light, Converging Lens, Electromagnetic spectrum, Sound. There are explanations for some of the questions after you submit the quiz. If you could not figure out why a particular option is the answer, feel free to drop a comment below or ask a question in ‘O’ & ‘A’ Level Discussion section of the forum. If you wish to contribute questions to this quiz, please contact us.

The quiz comprises of 10 questions, which are randomly selected from a large pool of questions. After completion, you can refresh the page and try the quiz again for a new set of 10 questions.

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1. Which statement is correct?
2. Three rays of light are incident on the boundary between a glass block and air.

The angles of incidence are different.

possible critical angleWhat is a possible critical angle for light in the glass?
3. Which of the following is a possible unit for period of a wave?
4. Which of the following are always true for sound waves?

A. Sound waves are produced by vibration.

B. Sound waves are longitudinal waves.

C. Sound waves have an approximate speed of 300 m/s
5. Which type of wave is used to send telephone signals to and from a satellite?
6. A fish in a pond looks up at a man standing beside the pond. To the fish, the man appears _________.
7. What is meant by the term wavefront?
8. The diagram shows a water wave in a ripple tank.

transverse wave qnThe wave has a speed of 12 cm/s at R.

The wave crosses a boundary PQ where the distance between crests changes from 3.0 cm to 1.5 cm.

What is the velocity of the wave at point S?
9. Which of the following is the speed of a transverse wave?
10. A star explodes in outer space.

Which waves from the exploding star do not reach the Earth?

 

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