Light and Shadow - Questions


Practice Page 1

Q1.

Answer the following:

 

a. What is the size of the shadow when the source of light and the object are closer to each other?

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b. What is the size of the shadow when the source of light and the object is moved away from each other?

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Q2.

Fill in the blanks.

 

a. Light is form of ____________________.

b. We cannot see anything when there is no______________.

c. Sun is the main source of _____________ light.

d. Sources of artificial light are burning wood, ____________, and earthen lamps.

e. Light travels in a _____________ line in the form of rays.

f. A ____________ surface reflects or bounces off light in all directions.

Q3.

True or False.

 

a. A rough surface reflects or bounces off light in all directions. ________

b. A transparent object will make dark shadow. _________

c. Light travels very slowly. _________

d. Luminous bodies are those which emit light of their own. _________



Practice Page 2

Answer the following:

1. How shadow is formed? Explain in your own words.

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2. What is lateral inversion? _____________________________________________________________

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3. What do you understand by translucent material? Give examples.

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4. Explain with an activity that light travels in straight line.

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5. Why light plays important role in our life.

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Last modified: Saturday, 15 December 2018, 10:56 PM