Home
Class 12
PHYSICS
At what distance from a convex lens of f...

At what distance from a convex lens of focal length `30cm` an object should be placed so that the size of image be `(1)/(4) `that of object?

A

30 cm

B

60 cm

C

15 cm

D

90 cm

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 96

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 99

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

There is one convex lens of focal length 40 cm. Where an object should be placed so that we get image of double the height of the object?

An object is placed at 30 cm from a convex lens of focal length 20 cm. State the nature and the size of the image relative to that of the object.

Point object O is placed at a distance of 20cm from a convex lens of focal length 10cm as shown in Figure., At what distance x from the lens should a concave mirror of focal length 60cm, be placed so that the final image coincides with the object?

An object is placed at 40 cm from a convex lens of focal length 20 cm. State the nature and the size of the image relative to that of the object.

A point object O is placed at a distance of 20 cm from a convex lens of focal length 10 cm as shown in the figure. At what distance x from the lens should a convex mirror of focal length 60 cm, be placed so that final image coincide with the object?

An object is placed at 60 cm from a convex lens of focal length 20 cm . State the nature and size of the image relative to that of the object.

An object is placed at 15 cm from a convex lens of focal length 25 cm. State the nature and size of the image relative to that of the object.

At what distance should an object be placed from a convex lens of focal langth 15 cm to obtain an image three times the size of the object ?

An object is placed at a distance of 75 cm from a screen. Where should a convex lens of focal length 12 cm be placed so as to obtain a real image of the object?

NTA MOCK TESTS-NTA NEET SET 97-PHYSICS
  1. The motion of a particle executing S.H.M. is given by x= 0.01 sin 100 ...

    Text Solution

    |

  2. The dispalcement of an object attached to a spring and excuting simple...

    Text Solution

    |

  3. For plane electromagnetic waves propagating in the z-direction , which...

    Text Solution

    |

  4. Light of wavelength 4000Å is allowed to fall on a metal surface having...

    Text Solution

    |

  5. A horizontal pipeline carries water in a streamline flow. At a point a...

    Text Solution

    |

  6. A coaxial cylinder made of glass is immersed in a-liquid of surface te...

    Text Solution

    |

  7. At what distance from a convex lens of focal length 30cm an object sh...

    Text Solution

    |

  8. A thin prism P(1) with angle 4degree and made from glass of refractive...

    Text Solution

    |

  9. The moment of inertia of a solid cylinder about its axis is given by (...

    Text Solution

    |

  10. A force vecF=alphahati+3hatj+6hatk is acting at a point vecr=2hati-6ha...

    Text Solution

    |

  11. The inputs to the digital circuit are shown below. The output Y is

    Text Solution

    |

  12. The part of a transistor which is most heavily doped to produce large ...

    Text Solution

    |

  13. Power radiated by a black body is P0 and the wavelength corresponding ...

    Text Solution

    |

  14. SI units, the dimensions of sqrt((epsilon0)/(mu0)) is

    Text Solution

    |

  15. A beam of light of wavelength 600 nm from a distant source falls on a ...

    Text Solution

    |

  16. A parallel beam of monochromatic light is incident normally on a slit....

    Text Solution

    |

  17. A way pulse is travelling on a string of linear mass density 6.4 xx 10...

    Text Solution

    |

  18. It takes 2.0 seconds for a sound wave to travel between two fixed poin...

    Text Solution

    |

  19. The relationship between the force F and position x of body is as show...

    Text Solution

    |

  20. A particle is projected vertically upwards with a speed of 16ms^-1. Af...

    Text Solution

    |