Home
Class 12
PHYSICS
Assertion:Image formed by concave lens i...

Assertion:Image formed by concave lens is not always virtual.
Reason:Image formed by a lens is real if the image is formed in the direction of ray of light with respect to the lens.

A

Statement-I is true , Statement -II is true, Statement-II is correct explanation for Statement-I.

B

Statement - I is true, Statement -II is true: Statement -II is NOT a correct explanation for statement -I .

C

Statement-I is true, Statement-II is false.

D

statement-I is false, statement- II is true.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    ALLEN |Exercise Comprehension Based Questions|66 Videos
  • GEOMETRICAL OPTICS

    ALLEN |Exercise EXERCISE - 04 (A)|48 Videos
  • GEOMETRICAL OPTICS

    ALLEN |Exercise EXERCISE -03|11 Videos
  • CURRENT ELECTRICITY

    ALLEN |Exercise EX.II|66 Videos
  • GRAVITATION

    ALLEN |Exercise EXERCISE 4|9 Videos

Similar Questions

Explore conceptually related problems

Write equation for image formed by thin lens.

The image formed by an objective of a telescope is-

Decide the position of the image formed by the given combination of lenses.

State the type of image of an object formed on the retina.

In figure , L is half part of an equiconvex glass lens (mu=1.5) whose surfaces have radius of curvature R =40cm and its right surface is silvered . Normal to its principal axis a plane mirror M is placed on right of the lens . Distance between lens L and mirror M is b. A small object O is placed on left of the lens such that there is no parallax between final images formed by the lens and mirror. If transverse length of final image formed by lens is twice that of image formed by the mirror , calculate distance'a' in cm between lens and object.

Find the position of the image formed by the lens combination given in the Fig.

The image of an object, formed by a plano-convex lens at a distance of 8 m behind the lens, is real is one-third the size of the object. The wavelength of light inside the lens is 2/3 times the wavelength in free space. The radius of the curved surface of the lens is

A lens placed between a candle and a fixed screen forms a real triply magnified image of the candle on the screen. When the lens is moved away form the candle by 0.8m without changing the position of the candle, a real image one-third the size of the candle is formed on the screen. Determine the focal length of the lens.

Assertion : The images formed by total internal reflections are much brighter than those formed by mirrorrs or lenses. Reason : There is no loss of intensity in total internal reflection.

In the human eye, the image of an object is formed at the ........

ALLEN -GEOMETRICAL OPTICS-ASSERTION-REASON
  1. Statement-1 : A cloudy night is hotter than a clear sky night. State...

    Text Solution

    |

  2. Statement -1 : When hot water is poured in a beaker of thick glass, th...

    Text Solution

    |

  3. Statement-1: Potential energy of water at 0^(@)C is more than ice at 0...

    Text Solution

    |

  4. Statement-1: When an electric fan is switched on in a closed room, the...

    Text Solution

    |

  5. Statement-1: Snow is better insulator than ice. Statement -2 : Snow ...

    Text Solution

    |

  6. Assertion : Animals curl into a ball, when they feel very cold. Re...

    Text Solution

    |

  7. Statement-1: A sphere, a cube and a thin circular plate made of same m...

    Text Solution

    |

  8. Statement-1: High thermal conductivity of metals is due to presence of...

    Text Solution

    |

  9. Statement -1 : Liquids usually expand more than solids. Statement-2:...

    Text Solution

    |

  10. Statement-1: Water is considered unsuitable for use in thermometers. ...

    Text Solution

    |

  11. Statement-1: Temperature of a rod is increased and again cooled to sam...

    Text Solution

    |

  12. Statement-1: Coolant coils are fitted at the top of a refrigerator , f...

    Text Solution

    |

  13. STATEMENT-1 For observing traffic at our back, we prefers to use a con...

    Text Solution

    |

  14. STATEMENT-1 A convex lens may be diverging STATEMENT -2 The nature o...

    Text Solution

    |

  15. STATEMENT-1 Hollow prism forms no spectra as a solid equilateral pris...

    Text Solution

    |

  16. Statement-I : Sun glasses have zero power even through their surfaces ...

    Text Solution

    |

  17. Statement-I : 11 English alphabets do not show lateral inversion. an...

    Text Solution

    |

  18. Assertion : The images formed by total internal reflections are much b...

    Text Solution

    |

  19. Assertion:Image formed by concave lens is not always virtual. Reason...

    Text Solution

    |

  20. Statement-1 The formula connecting u,v and f for a spherical mirror is...

    Text Solution

    |