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A diverging mirror is :...

A diverging mirror is :

A

a plane mirror

B

a convex mirror

C

a convace mirror

D

a shaving mirror

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The correct Answer is:
B
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Column -I shows different situations in which an object O is shown in front of the optical element. Column-II gives the corresponding velocity vector of the image of the object. Object is moving with velocity v and diverging mirror is moving with velocity 2v

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An object is placed 15 cm from (alpha) a converging mirror, and (b) a diverging mirror, of radius of curvature 20 cm. Calculate the image position and magnification in each case.

An arrow 2.5 cm high is placed at a distance of 25 cm from a diverging mirror of focal length 20 cm. Find the nature, position and size of the image formed.

An object 3 cm high is held at a distance of 50 cm from a diverging mirror of focal length 25 cm. Find the nature, position and size of the image formed.

A converging lens and a diverging mirror are placed at a separation of 15 cm. The focal length of the lens is 25 cm and that of the mirror is 40 cm. Where should a point source be placed between the lens and the mirror so that the light, after getting reflected by the mirror and then getting transmitted by the lens, comes out parallel to the principal axis ?

A converging lens and a diverging mirror are placed at a separation of 20 cm. The focal length of the lens is 30 cm and that of the mirror is 50 cm. Where should a point source be placed between the lens and the miror, so that the light, after getting reflected by the mirror and then getting transmitted by the lens, comes out parallel to the principal axis?

A converging lens of focal length 12 cm and a diverging mirror of focal length 7.5 cm are placed 5.0 cm apart with their principal axes coinciding. Where should an object be placed so that its image falls on itself ?

A converging mirror M_1 a point source S and a diverging mirror M_2 are arranged as shown in figure. The source is placed at a distance of 30 cm from M_1 . The focal length of each of the mirrors is 20 cm. Consider only the images formed by a maximum of two reflections. It is found that one image is formed on the source itself. (a) Find the distance between the two mirrors. (b) Find the location of the image formed by the single reflection from M_2

LAKHMIR SINGH & MANJIT KAUR-REFLECTION OF LIGHT -Exercise
  1. Define (a) centre of curvature (b) radius of curvature ( c) pole (d) p...

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  2. In a convex spherical mirror, reflection of light takes place at :

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  3. A diverging mirror is :

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  4. If R is the radius of curvature of a spherical mirror and f is its len...

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  5. The focal length of a spherical mirror of radius of curvature 30 cm is...

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  6. If the focal length of a spherical mirror is 12.5 less cm, its radius ...

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  7. A communications satellite in orbit sends a parallel beam of signals ...

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  8. When a spherical mirror is held towards the sun and its sharp image is...

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  9. For what position of an object, a concave mirror forms a real image e...

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  10. Where should an object be placed in front of the mirror so as to obtai...

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  11. Where should an object be held so that a concave mirror forms a real, ...

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  12. An object is placed at the focus of a concave lens. Where will be imag...

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  13. Where is the image formed when an object is at large distance from a c...

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  14. For what position of an object, a real and diminished image is formed ...

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  15. Copy this figure in your answer book and show the direction of the lig...

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  16. Draw Fig. in your answer book and show the formation of image with the...

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  17. Draw Fig. in your answer book and show the formation of image with the...

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  18. Which type of mirror could be used as a dentist's mirror ?

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  19. The mirror used for the head light of a car is

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  20. Explain why, a ray of light passing through the centre of curvature of...

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