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An object is placed on the principal axi...

An object is placed on the principal axis of a concave mirror at a distance of 1.5 f (f is thefocal length). The image will be at,

A

3f

B

`-3f`

C

`1.5f`

D

`-1.5f`

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TARGET PUBLICATION-OPTICS-EXERCISE
  1. Which of the following statements is incorrect?

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  2. A concave mirror of focal length f (in air) is immersed in water (mu=(...

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  3. An object is placed on the principal axis of a concave mirror at a dis...

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  4. An object is placed at a distance of 40 cm from concave mirror of foca...

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  5. A linear object of heigth 10 cm is kept in front of concave mirror of ...

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  6. An infinitely long bar lies alont the adis of cancave mirror of focal...

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  7. A person wants a real imag of his own, 3 times enlarged. Where should ...

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  8. A point object is moving uniformly towards the pole of a concave mirro...

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  9. Consider a light source placed at a distance of 1.5 m along the aixs f...

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  10. A ray of light travels from air to water to glass and again from glass...

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  11. A glass cobe is placed on a white paper having spots of red. Blue, yel...

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  12. A plane glass is placed over a various coloured letters (Violet, green...

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  13. An air bubble in a glass slab with refractive index 1.5 (near normal i...

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  14. Two undentical beakers, one filled with water mu = (4)/(3) and the oth...

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  15. In total internal reflection when the angle of incidence is equal to t...

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  16. A diamond sparkles because of its

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  17. A green light is incident from the water to the air-water interface at...

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  18. A light beam is travelling from Region I to Region IV (Refer Figure). ...

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  19. A ray of light passes from a medium A having refractive index 1.6 to t...

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  20. A point object ‘O’ is placed on the axis of a cylindrical piece of gla...

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