light shadows and reflections chapter 11

About Us
Contact
Login

Competency Based Tests
Login
Take a Test
- CBSE Tests
- NIOS Tests
Browse by Class
- Class 6
- Class 7
- Class 8
- Class 9
- Class 10
- Class 11
- Class 12
Home

Login
Register

Login to your account

Don't have an account? Sign Up!

Remember me Forgot Password?

Create New Account

Have an account? Login

Want to become an instructor?

Home
Take a Test
- CBSE Tests
- NIOS Tests
Competency Based Tests
About Us
Contact
Login

MCQ Science Class 7
Sample Papers Science Class 7
Important Questions Science Class 7
Notes Science Class 7
Previous Years Papers Science Class 7
Marking Scheme Science Class 7
Solutions Science Class 7
Science Class 7

Light Shadows and Reflections Chapter 11

CBSE Board

Teacher Name : Rakesh
Total Questions : 28
Time Allowed : 60
Total Marks : 28

Q 2 :What is lateral inversion?
- The left and right sides of an image are reversed in a plane mirror.
- The image appears larger.
- The image appears smaller.
- The top and bottom sides of an image are reversed.
Q 3 :Which of the following is a luminous object?
- Mirror
- Moon
- Sun
- Earth
Q 4 :What is reflection of light?
- The change in direction of light when it strikes a mirror.
- The scattering of light in different directions.
- The bending of light around an object.
- The absorption of light by an object.
Q 5 :Which of the following is NOT a natural source of light?
- LED bulb
- Lightning
- Sun
- Firefly
Q 6 :What happens when the torch is closer to an object?
- The shadow disappears.
- The shadow becomes smaller.
- The shadow becomes larger.
- The shadow changes color.
Q 7 :Objects that do not produce their own light are called:
- Non-luminous objects
- Luminous objects
- Bright objects
- Transparent objects
Q 8 :What is a luminous object?
- An object that absorbs light.
- An object that scatters light.
- An object that reflects light.
- An object that emits its own light.
Q 9 :Fireflies use light mainly to:
- Fly faster
- Produce heat
- Cook food
- Communicate
Q 10 :Which of the following is an artificial source of light?
- Star
- Firefly
- Oil lamp
- Sun
Q 11 :LED lamps are preferred because they:
- Consume less power and last longer
- Consume more electricity
- Are dim and short-lasting
- Produce smoke
Q 12 :Moonlight is actually:
- Reflected sunlight
- Artificial light
- Light from stars
- Light produced by the Moon
Q 13 :Which of the following animals can emit its own light?
- Cow
- Firefly
- Horse
- Dog
Q 14 :Why do we see shadows?
- Because the object emits light.
- Because light is reflected off the object.
- Because light is absorbed by the object.
- Because light is blocked by an opaque object.
Q 15 :LED lamps are preferred because they:
- Produce smoke
- Consume less power and last longer
- Are dim and short-lasting
- Consume more electricity
Q 16 :Fireflies use light mainly to:
- Communicate
- Fly faster
- Produce heat
- Cook food
Q 17 :What is lateral inversion?
- The left and right sides of an image are reversed in a plane mirror.
- The image is brighter than the object.
- The image appears larger than the object.
- The top and bottom sides of an image are reversed.
Q 18 :Which of the following animals can emit its own light?
- Dog
- Firefly
- Horse
- Cow
Q 19 :Light travels in:
- Straight line
- Zig-zag path
- Curved path
- Circular path
Q 20 :What is reflection of light?
- The scattering of light in different directions.
- The absorption of light by a surface.
- The change in direction of light when it strikes a mirror.
- The bending of light as it passes through a lens.
Q 21 :Which of the following is NOT a natural source of light?
- Sun
- Lightning
- LED bulb
- Firefly
Q 22 :Which of the following is a luminous object?
- Sun
- Earth
- Mirror
- Moon
Q 23 :Moonlight is actually:
- Reflected sunlight
- Artificial light
- Light from stars
- Light produced by the Moon
Q 24 :What is a luminous object?
- An object that refracts light.
- An object that reflects light.
- An object that absorbs light.
- An object that emits its own light.
Q 25 :Which of the following is an artificial source of light?
- Firefly
- Sun
- Star
- Oil lamp
Q 26 :Which of the following causes a decrease in fireflies?
- Forest conservation
- Rainfall
- Clean air
- Light pollution
Q 27 :Objects that do not produce their own light are called:
- Bright objects
- Non-luminous objects
- Luminous objects
- Transparent objects
Q 28 :Why are shadows not visible when a bird flies very high?
- The shadow is too small to see.
- The shadow disappears completely.
- The shadow becomes faint and spread out due to distance.
- The shadow is blocked by clouds.
Q 29 :What happens when the torch is closer to an object?
- The shadow becomes clearer.
- The shadow becomes smaller.
- The shadow disappears.
- The shadow becomes larger.

Home
Privacy
Terms
Sitemap

Top Grades Online test papers and practice materials helps to achieve top grades, we can guide you on how to prepare effectively.