EASY
Lower Secondary Stage 8
IMPORTANT
Earn 100

Look at the diagram. It shows a sundial, which can be used to tell the time. Explain how we can tell the time of day using a sundial.

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Important Questions on Light

HARD
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 7 - Light>Exercise 1>Q 7
The Samrat Yantra at the Jaipur Observatory is a sundial that is 27 m tall. The shadow from the Samrat Yantra moves at about the width of a human hand each minute. Describe an experiment you could use to work out exactly how quickly the shadow moves.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 7 - Light>Exercise 2>Q 2

Complete the labels on the diagram.

( normal, reflection, ray, refraction, incidence, object, image)

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MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 7 - Light>Exercise 2>Q 4

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Look at the diagram. What is the value of angle marked X?

EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 7 - Light>Exercise 2>Q 5
Write down the law of reflection. 
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 7 - Light>Exercise 2>Q 6
Youseff is trying to make a sign that people can read using a mirror. He wants to sign to say 'MOUTH' when it is reflected. Write down the order of letters Youseff should put on sign.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 7 - Light>Exercise 2>Q 7

The diagram shows a ray diagram for refraction. Complete the diagram using the words from the list.

(normal, reflection, ray, refraction, incidence, object, image)

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EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 7 - Light>Exercise 2>Q 7
In an experiment to test refraction, state the angle of refraction if the angle of incidence is 0°. 
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 7 - Light>Exercise 2>Q 8

The diagram shows a device that uses mirrors to see around corners.

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The device is used to look at a sign that says 'HOSPITAL'. Will the image seen by the observer at point X be swapped over or still be the correct way round? Explain your answer.