light, shadows and reflections

1. Without what is it impossible to see things?

a) The heat

b) of light

c) of the shadows

Answer:_  b) of light

2. Whose presence makes us see things during the day?

a) of the torch

b) of the bulb

c) The sun

Answer:_  c) The sun

3. What is an object that gives light or diffuses light?

a)  radiant

b)  lack luster

c)  visible

Answer:_  a)  radiant

4. The What is an object called if nothing can be seen through it?

a)  transparent

b)  opaque

c) God is transparent

Answer:_  b)  opaque

5. What happens when there is an opaque object in the path of light?

a)  shadow 

b)' reflect

c) The light

Answer:_  a)  shadow 

6.In what line does light always move?

a)  In the curved line

b)  in a straight line

c) It's not either

Answer:_  b)  in a straight line

7. What can be used to reflect and get a clean image?

a) of the mirror

b)  of light

c)  of the shadows

Answer:_  a) of the mirror

8.What is the object in the picture below?


a) Ajopa tree

b) A man

c)  A periscope

Answer:_  c)  A periscope

9. What is the English form of the word 'bright'?

a)  Luminous

b) Opaque

c) Transparent

Answer:_ a)  Luminous

10. What object can light pass through?

a) radiant

b)  transparent

c) God is transparent

Answer:_  b)  transparent

11.Through what material can light pass partially ?

a)  transparent

b) opaque

c) God is transparent

Answer:_  c) God is transparent

12. What is the English form of the word 'transparent'?

a) Translucent

b) Transparent

c) Reflection

Answer:_  b) Transparent

13.  Which of the following is an opaque substance?

a)  A wall

b) A mirror

c) Polythene

Answer:_  a)  A wall

14. Which of the following is a luminous substance ?

a)  A piece of carbon paper

b)  A piece of pebble

c) A burning torch

Answer:_  c) A burning torch

15. What is the scene reflected in the picture below?

a)  mirror reflection

b) motion in a straight line of light

c) Both of the above

Answer:_  c) Both of the above

16. What is the English form of the word 'reflection'?
 
a) Reflection

b)  Luminous

c)  Mirror

Answer:_  a) Reflection

17. What is needed to create a shadow?

a)  A light source

b)  An opaque substance

c)  Both of the above

Answer:_

18. What is the English form of the word 'mirror'?

a)  Mirror

b) Transparent

c) Opaque

Answer:_  a)  Mirror

19. Which of the following is a transparent substance?

a)  smoke

b)  air

c) Polythene

Answer:_  b)  air

20. What is the English form of the word 'shadow'?

a)  Shadow

b) flection
 
c) Transparent

Answer:_ a)  Shadow