Home
Class 12
PHYSICS
The lens formula is...

The lens formula is

A

`(1)/(f) = (1)/(v) + (1)/(u)`

B

`(1)/(f) = (1)/(v) - (1)/(u)`

C

`(1)/(f) - (1)/(v) = (1)/(u)`

D

( d) `(1)/(f) - (1)/(u) = (1)/(v)`

Text Solution

Verified by Experts

The correct Answer is:
B
The lens formula is `(1)/(f) = (1)/(v) - (1)/(u)`.
Promotional Banner

Topper's Solved these Questions

  • OPTICS

    PRADEEP|Exercise Problems for practice|4 Videos

  • OPTICS

    PRADEEP|Exercise Comprehension 1|1 Videos

  • OPTICS

    PRADEEP|Exercise Value based questions|3 Videos

  • MAGNETIC EFFECT OF CURRENT AND MAGNETISM

    PRADEEP|Exercise Competition Focus (Multiple Choice Questions)|2 Videos

Similar Questions

Explore conceptually related problems

Four modifications are suggested in the lens formula to incude the effect of the thicknes t of the lens. Which one is likely to be correct?

Write the formula for a lens connnecting image distance (v), object distance (u) and the focal length (f). How does the lens formula differ from the mirror formula?

STATEMENT- 1 Air bubble in glass medium behaves as concave lens. STATEMENT 2 Lens formula is (1)/(f)=((mu_("lens"))/(mu_("med"))-1) [(1)/(R_(1))-(1)/(R_(2))]

a) A small object is placed 150 mm away from a diverging lens of focal length 100 mm. i) Copy the figure below and draw rays to show how an image is formed by the lens. ii) Calculate the distance of the image from the lens by using the lens formula. b) The diverging lens in part a) is replaced by a converging lens also of focal length 100 nm. The object remains in the same position and an image is formed by the converging lens. Compare two properties of this image with those of the image formed by the diverring lens in part a)

……………. Represents the lens formula .

Write the lens formula. Explain the terms.

Use the thin lens formula to deduce algebraically that a concave lens produces a virtual and diminished image independent of the location of the object.

PRADEEP-OPTICS-Exercise
  1. Statement-1 : The refractive index of a prism depends only on the kind...

    Text Solution

    |

  2. Statement-1 : A ray of light incident normally on a refracting surface...

    Text Solution

    |

  3. Statement-1 : Light travels faster in glass than in air. Statement-2...

    Text Solution

    |

  4. Statement-1 : Energy is created during constructive interference and i...

    Text Solution

    |

  5. Statement-1 : When a prism of mu = 3//2 is immersed in water (mu = 4//...

    Text Solution

    |

  6. Statement-1 : Focal length of an equiconvex lens of mu = 3//2 is equal...

    Text Solution

    |

  7. Statement-1 : Two prism joined in opposite alone can produce dispersio...

    Text Solution

    |

  8. Statement-1 : The dispersive power of a lens of focal length 10 cm is ...

    Text Solution

    |

  9. This question has a paragraph followed by two statements, Statement - ...

    Text Solution

    |

  10. Statement-1 : On viewing the clear blue portion of the sky through a C...

    Text Solution

    |

  11. An experment is performed to find the refractive index of glass using ...

    Text Solution

    |

  12. A student measures the focal length of a convex lens by putting an obj...

    Text Solution

    |

  13. In an experiment, electrons are made to pass through a narrow slit of ...

    Text Solution

    |

  14. We cannot find rough focal length of

    Text Solution

    |

  15. The lens formula is

    Text Solution

    |

  16. The shape of graph between 1//u and 1//v in case of a convex lens is F...

    Text Solution

    |

  17. If c is velocity of light in vacuum and v is the velocity of light in ...

    Text Solution

    |

  18. An equilateral prism produces a minimum deviation of 30^(@). The angle...

    Text Solution

    |

  19. In Finding experimentally, the mu of a liquid using a convex lens and ...

    Text Solution

    |

  20. A student has drawn the following courses of rays through a glass pris...

    Text Solution

    |