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- 1. Multiple Choice
The principle behind the pin hole camera is
Curvilinear propagation of light
Rectilinear propagation of light
Image
shadow
- 2. Multiple Choice
The dark patches are formed behind the objects are called
Clear images
Dark images
Dim images
Shadow
- 3. Multiple Choice
Fire fly is a
Non-living luminous body
Plant body
Living luminous body
Heavenly body
- 4. Multiple Choice
Objects which allow light to pass through them are called
Opaque objects
Transparent objects
Translucent objects
Image
- 5. Multiple Choice
Which of the following is an example of a translucent object?
A thin sheet of paper
A thin glass slab
A thin iron sheet
All of these
- 6. Multiple Choice
When an opaque objects comes in the path of light it forms
An image with colors
Shadow
Black and white image
Depends on the color of light
- 7. Multiple Choice
Which letters of English alphabet will not show lateral inversion?
I,O,U
N,Z,X
I,X,E
A,E,I
- 8. Multiple Choice
Bouncing back of light from shining surfaces is called
Dispersion
Refraction
Reflection
Total internal reflection
- 9. Multiple Choice
Assertion(A): Moon is non - luminous object.
Reason(R): Moon does not emit light on their own.
A and R are true. R is not the correct explanation of A
A is true and R is false
A is false and R is true
A and R is true and R is the correct explanation of A
- 10. Multiple Choice
Assertion(A): The image formed in pinhole camera is laterally inverted.
Reason(R) : Image gives the shape, size and color of the object.
A and R are true and R is not the correct explanation of A
A and R are false
A is true and R is false
A and R are true and R is the correct explanation of A.
- 11. Fill in the Blank
_________________ is a source that enables to see the things around us.
- 12. Fill in the Blank
Candles, oil lamps and earthen lamps are ________________ sources of light.
- 13. Open Ended
Write one property of light.
- 14. Fill in the Blank
_______________ and _______________ objects are essential for the formation of shadows on a screen
- 15. Open Ended
Why we cannot see our image in the mirror in complete dark room?
- Answer choicesTagsAnswer choicesTags