ICSE Class 6 Physics - Light - Test 5 (Comprehensive)
1. Which statement about light is correct?
A. Light is only a type of sound
B. Light is a kind of liquid
C. Light helps us see objects
2. Which object is luminous?
A. Glowing tube light
B. Wooden bench
C. School bag
3. A notebook is a non-luminous object because it:
A. Gives out its own light
B. Does not produce its own light
C. Is always transparent
4. Which of the following is a natural source of light?
A. LED bulb
B. Candle made by humans
C. Firefly
5. Which of these is an artificial source of light?
A. Street lamp
B. Star
C. Lightning
6. A student cannot see a candle flame through a bent pipe because light:
A. Travels only as sound
B. Travels in straight lines
C. Stops existing near pipes
7. Which material is transparent?
A. Stone
B. Cardboard
C. Air
8. Which object is opaque?
A. Brick wall
B. Clear water
C. Clean glass
9. Oiled paper is best described as:
A. Opaque
B. Translucent
C. Luminous
10. A shadow is formed when an object:
A. Produces sound
B. Lets all light pass clearly
C. Blocks the path of light
11. Which arrangement can form a shadow?
A. Torch, opaque toy, wall
B. Bell, magnet, water
C. Thermometer, air, sound
12. A hand is moved closer to a lamp while the wall stays fixed. The shadow on the wall becomes:
A. Smaller always
B. Bigger
C. A source of light
13. The region of a shadow is dark mainly because:
A. It contains extra light
B. It is made of black matter
C. Light does not reach it properly
14. When light strikes a mirror and returns back, the process is called:
A. Reflection
B. Freezing
C. Melting
15. Which surface will reflect light better?
A. Rough woollen cloth
B. Polished metal plate
C. Wet mud
16. Which property is true for an image formed by a plane mirror?
A. It is always upside down
B. It is always smaller than the object
C. It is laterally inverted
17. If a flower vase is 10 cm in front of a plane mirror, its image appears:
A. 10 cm behind the mirror
B. 20 cm in front of the mirror
C. On the floor only
18. The working of a simple periscope is based on:
A. Formation of rain
B. Reflection of light
C. Friction between surfaces
19. A pinhole camera forms an inverted image mainly due to:
A. Light travelling in circles
B. Sound reflecting from the screen
C. Straight-line travel of light
20. What does a rainbow show about sunlight?
A. Sunlight is made of many colours
B. Sunlight is only green
C. Sunlight has no energy