# 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 type of wave is used to send telephone signals to and from a satellite?
2. Which of the following is/are longitudinal wave(s)?

A. The sound produced by a bat

B. The light from the Sun

C. The ripples on the surface of the water
3. Water waves refract at a boundary between deep water and shallow water.

What is the effect on the frequency, wavelength and speed of the waves at the boundary?
 Frequency Wavelength Speed A Changes Changes Stays the same B Changes Stays the same Stays the same C Stays the same Changes Changes D Stays the same Stays the same Changes
4. Three rays of light are incident on the boundary between a glass block and air.

The angles of incidence are different.

What is a possible critical angle for light in the glass?
5. Which of the following is the unit for frequency?
6. We can hear sound when a ball strikes the floor because ___________.
7. Which of the following does not produce a sound wave?
8. The pitch of a sound is determined by its _________.
9. Which of the following does not produce a sound wave?
10. Which of the following is the speed of a transverse wave?

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### 14 thoughts on “Practice MCQs For Waves, Light, Lens & Sound”

1. Amazing

2. I didn’t understand the 9th mcq, i need explanation, there should be an explanation box

• the answer is A because when the ball hit the floor , the particles of air hits the ball and the floor, this causes a longitudinal wave to be produced and this wave travels from where the ball hit the ground to our ears thus we hear it

• Actually its wrong because particles do not move its just their vibration which transfers in form of longitudinal wave.

3. Good for revision

4. I scored 3 on 10 and my exam is tmrw 2/12/18 the day when the earth will be shook this day will be known as the day of being stupid

5. I am unable to get a new set of MCQs. Even after refreshing the page I keep getting the same MCQs that I have already attempted