Home
Class 12
PHYSICS
What should be the value of distance d s...

What should be the value of distance d so that final image is formed on the object itself. (Focal length of the lenses are written on the lenses.)

A

10cm

B

20cm

C

5cm

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    CENGAGE PHYSICS|Exercise Assertion-Reasoninig|2 Videos

  • GEOMETRICAL OPTICS

    CENGAGE PHYSICS|Exercise Linked Comprehension|51 Videos

  • GEOMETRICAL OPTICS

    CENGAGE PHYSICS|Exercise Subjective|26 Videos

  • FRICTION

    CENGAGE PHYSICS|Exercise QUESTION BANK|1 Videos

  • GRAVITATION

    CENGAGE PHYSICS|Exercise Question Bank|39 Videos

Similar Questions

Explore conceptually related problems

In Fig. what should be the value of d so that image is formed on the object itself .

The value of the of d_(1) and d_(2) for final rays to be parallel to the principle axis are (focal lengths of the lenses are written on the lenses).

The values of d_(1) & d_(2) for final rays to be parallel to the principal axis are: (focal lengths of the lenses are written above the respective lenses in the given figure)

(a) A point source S is placed at a distance of 15 cm from a converging lens of focal length 10 cm on its principal axis, where should a diverging mirror of focal length 12 cm be placed so that a real image is formed on the source itself? (b) A diverging lens of focal length 20 cm and a converging mirror of focal length 10 cm are placed coaxially at separation of 5 cm. Where should an object be placed so that a real image is formed at the object itself? (c) 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 the principal axis coinciding where should an object be placed so that its image falls on itself?

For the system given below,if the image of the object is formed on itself.What will be the focal length of the lens?

A telescope objective lens has a focal length of 100 cm . When the final image is formed at the least distance of distinct vision, the distance between the lenses is 105 cm . Calculate the focal length of eye piece and magnifying power of telescope.

The focal lengths of the objective and the eyepiece of an astronomical telescope are 40 cm and 5 cm respectively. It is focussed on a scale at a distance of 2 m. The final image is formed at infinity. What is the separation between the two lenses ?

CENGAGE PHYSICS-GEOMETRICAL OPTICS-Single Correct
  1. A thin equiconvex lens (mu=3//2) of focal length 10cm is cut and separ...

    Text Solution

    |

  2. Behind a thin converging lens having both the surfaces of the same rad...

    Text Solution

    |

  3. What should be the value of distance d so that final image is formed o...

    Text Solution

    |

  4. A ray of light passes from glass, having a refractive indx of 1.6, to ...

    Text Solution

    |

  5. Consider an equiconvex lens of radius of curvature R and focal length ...

    Text Solution

    |

  6. A fish is vertically below a flying bird moving vertically down toward...

    Text Solution

    |

  7. What is the angle of incidence for an equilateral prism of refractive ...

    Text Solution

    |

  8. A cube of side 2m is placed in front of a concave mirror of focal l en...

    Text Solution

    |

  9. A plano-convex lens when silvered ono the plane side behaves like a co...

    Text Solution

    |

  10. Two thin lenses are placed 5cm apart along the same axis and illuminte...

    Text Solution

    |

  11. A lens forms a real image of an object. The distance from the object t...

    Text Solution

    |

  12. A plastic hemisphere has a radius of curvature of 8cm and an index of ...

    Text Solution

    |

  13. A ray of light falls on a transparent sphere with center at C as shown...

    Text Solution

    |

  14. A circular beam of light of diameter d = 2 cm falls on a plane refract...

    Text Solution

    |

  15. Critical angle of glass is theta(1) and that of water is theta(2). The...

    Text Solution

    |

  16. Light is incident normally on face AB of a prism as shown in Figure. A...

    Text Solution

    |

  17. A ray of light is incident on a glass sphere of refractive index 3//2 ...

    Text Solution

    |

  18. Two identical glass (mu(g)=3//2) equiconvex lenses of focal length f a...

    Text Solution

    |

  19. An object is kept at a distance of 16 cm from a thin lens and the imag...

    Text Solution

    |

  20. Point object O is placed on the principal axis of a convex lens of foc...

    Text Solution

    |