EVS - Class 3: Light and Shadow - Questions

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

_____________________________________________________________

2. What is lateral inversion? _____________________________________________________________

_____________________________________________________________

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

_____________________________________________________________

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

_____________________________________________________________

5. Why light plays important role in our life.

_____________________________________________________________

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