Home
Class 10
PHYSICS
When an object is placed at infinity a ...

When an object is placed at infinity a __________ is formed at the focus in concave lens.

A

real

B

virtual

C

enlarged

D

diminished

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • OPTICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (Fill in the blanks (Covers whole unit))|143 Videos

  • OPTICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (State whether the following statements are true or false. Correct the statement if it is false.)|21 Videos

  • OPTICS

    SURA PUBLICATION|Exercise GOVERNMENT EXAM QUESTIONS & ANSWERS|1 Videos

  • NUCLEAR PHYSICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (HIGHER ORDER THINKING SKILLS (HOTS))|5 Videos

  • PROBLEMS-2 MARKS

    SURA PUBLICATION|Exercise Subjective Type Question|24 Videos

Similar Questions

Explore conceptually related problems

________ lenses are used is placed at infinity a ________ is formed at the focus .

In a __________ lens , one of the faces of a bi-concave lens is plane.

The object is always placed on _________ side of the lens.

Differentiate convex lens and concave lens.

Draw the ray diagram and write the characteristics of the images formed when an object is placed. At infinity in front of a concave mirror.

When a object is placed in between principal focus and optical centre of convex lens, a _______ is formed .

SURA PUBLICATION-OPTICS-ADDITIONAL QUESTIONS & ANSWER (Choose the Correct Answer)
  1. Image formed in simple microscope is .

    Text Solution

    |

  2. Objective lens of telescope is of .

    Text Solution

    |

  3. Presbyobia is corrected by .

    Text Solution

    |

  4. To increase the magnification of the telescope, the focal length of th...

    Text Solution

    |

  5. Among visible light, has the lowest wavelength.

    Text Solution

    |

  6. The second law of refraction is also known as .

    Text Solution

    |

  7. is an optical instrument used to see distant objects.

    Text Solution

    |

  8. The speed of light in vaccum is ms^(-1).

    Text Solution

    |

  9. Light is characterized by and frequency.

    Text Solution

    |

  10. The ratio of speed of light in vaccum to the speed of light medium is ...

    Text Solution

    |

  11. lenses are used as eye lens of 'Galilean Telescope'

    Text Solution

    |

  12. Power of accommodation is achieved by changing the of the eye lens.

    Text Solution

    |

  13. The refractive index of a medium is dependent on the .

    Text Solution

    |

  14. scattering is responsible for the white appearance of the clouds.

    Text Solution

    |

  15. The spectral lines having frequency equal to the incident ray frequenc...

    Text Solution

    |

  16. If one of the focus of a bi-covnex lens is plane, it is known as a .

    Text Solution

    |

  17. lenses are used in camera lenses.

    Text Solution

    |

  18. The defect of myopia can be corrected by using .

    Text Solution

    |

  19. When an object is placed at infinity a is formed at the focus in conc...

    Text Solution

    |

  20. Where should an object be placed on the axis of a convex lens of focal...

    Text Solution

    |