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9th ICSE
IMPORTANT
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Explain in detail, how two plane mirrors are used to see the object behind any obstacle awl pin?

Important Questions on Light

HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 8 - Light>CHAPTER EXERCISE>Q 16
A bird sitting 80 cm in front of a plane mirror. If the mirror is moved 20 m away from the bird, how does the image of the bird shift from the previous image?  
MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 8 - Light>CHAPTER EXERCISE>Q 17

At what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?

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9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 8 - Light>CHAPTER EXERCISE>Q 18
The magnification for a mirror is -2. How are u and v related?
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9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 8 - Light>CHAPTER EXERCISE>Q 19
A concave mirror forms a virtual image of size twice that of the object placed at a distance 5 cm from it. Find the focal length of the mirror. 
HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 8 - Light>CHAPTER EXERCISE>Q 19
A concave mirror forms a virtual image of size twice that of the object placed at a distance 5 cm from it. Find the position of image. 
MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 8 - Light>CHAPTER EXERCISE>Q 20
When an object of height 1 cm is kept at a distance 4 cm from a concave mirror, its erect image of height 1.5 cm is formed at a distance 6 cm behind the mirror. Find the focal length of mirror.
HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 8 - Light>CHAPTER EXERCISE>Q 21
An object is placed at 4 cm distance in front of a concave mirror of radius of curvature 24 cm. Find the position of image. Is the image magnified?
HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 8 - Light>CHAPTER EXERCISE>Q 22
At what distance in front of a concave mirror of focal length 10 cm, an object be placed, so that its virtual image of size five times that of the object is obtained?