Home
Class 12
PHYSICS
Assertion:- The image focus (2^(nd) focu...

Assertion:- The image focus (`2^(nd)` focus) and the object focus (`1^(st)` focus) are on the oppostie side of the biconvex or biconcave lens.
Reason:- The radii of curvature of a biconvex lens and biconcave lens are on the opposite side of the lens.

A

If both Assertion `&` Reason are True `&` the Reason is a correct explanation of the Assertion.

B

If both Assertion `&` Reason are True but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False.

D

If both Assertion `&` Reason are False.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Statement-1: The image focus (2^(nd) focus) and the object ( 1^(st) focus) for a biconvex lens are on the opposite side of the lens. Statement-2: The centre of curvature of a biconvex lens are on the opposite side of the lens.

The power of a biconvex lens is 10 dioptre and the radius of curvature of each surface is 10 cm. Then the refractive index of the material of the lens is

Define the principal focus of a lens.

Does a concave lens have a real or a virtual focus?

Power of biconvex lens is 10 diopters and radius of curvature of each surface is 10cm.Then refractive index of material of lens is

Principal focus of concave lens:

Draw ray diagram showing the image formation by a convex lens when an object is placed at the focus of the lens.

ALLEN-TEST PAPERS-PAPER 2
  1. Assertion: A positively charged rod is held near a neutral conducting ...

    Text Solution

    |

  2. Assertion:A point charge q is placed near an arbitrary shaped solid co...

    Text Solution

    |

  3. Assetrion: If a proton and electron are placed in the same uniform ele...

    Text Solution

    |

  4. Assertion:- In a given situation of arrangement of charges, an extra c...

    Text Solution

    |

  5. STATEMENT 1: The current density vec J at any point in ohmic resistor ...

    Text Solution

    |

  6. Assertion:- To cells of unequal emf E(1) and E(2) having internal resi...

    Text Solution

    |

  7. Statement I : In the circuit in Fig. 7.46, both cells are ideal and of...

    Text Solution

    |

  8. Assertion:- Time constants of the cirucits shown in the figure are sam...

    Text Solution

    |

  9. Assertion:- If dipole (vecP(1)) is moved along the line normal to the ...

    Text Solution

    |

  10. Assertion:- Average power consumed in an accircuit is equal to average...

    Text Solution

    |

  11. Assertion:- Electric field produced by changing magnetic field is nonc...

    Text Solution

    |

  12. Assertion (A) : When tiny circular obstacle is placed in the path of l...

    Text Solution

    |

  13. Assertion:- In standard YDSE set up with visible light, the position o...

    Text Solution

    |

  14. Assertion:- In glass, red light travels faster than blue light. Reas...

    Text Solution

    |

  15. Assertion:- When a width of one of the slits of Young's double slit ex...

    Text Solution

    |

  16. Assertion:- The formula ((1)/(4)+(1)/(u)=(1)/(f)) connecting u and v f...

    Text Solution

    |

  17. Assertion:- Paraxial rays are always parallel to the principal axis. ...

    Text Solution

    |

  18. Assertion:- Images formed by TIR (Total internal reflection) are much ...

    Text Solution

    |

  19. Assertion:- The image focus (2^(nd) focus) and the object focus (1^(st...

    Text Solution

    |

  20. Assertion:- If your fouc on a point closer to your eyes, the radius of...

    Text Solution

    |