Home
Class 12
PHYSICS
The value of the of d(1) and d(2) for...

The value of the of `d_(1)` and `d_(2)` for final rays to be parallel to the principle axis are (focal lengths of the lenses are written on the lenses).

A

`d_(1) =10 cm, d_(2) = 15 cm`

B

`d_(1) = 20 cm, d_(2) = 15 cm `

C

`d_(1) = 30 cm, d_(2) = 15 cm `

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 7

    CAREER POINT|Exercise PART (B) - CHEMISTRY|30 Videos

  • MOCK TEST 6

    CAREER POINT|Exercise Part (B) (CHEMISTRY)|30 Videos

  • MOCK TEST 8

    CAREER POINT|Exercise Part (B) -CHEMISTRY|28 Videos

Similar Questions

Explore conceptually related problems

The values of d_(1) & d_(2) for final rays to be parallel to the principal axis are: (focal lengths of the lenses are written above the respective lenses in the given figure)

Rays Not Parallel To Principle Axis

What should be the value of distance d so that final image is formed on the object itself. (Focal length of the lenses are written on the lenses.)

The length of a telescope is 36 cm . The focal lengths of its lenses can be

In which, microscope or telescope, the difference in the focal lengths of the two lenses is larger ?

The length of an astronomical telescope is 40 cm. The focal lengths of its lenses will be

Two lenses of power 6 D and – 2 D are combined to form a single lens. The focal length of this lens will be

When two thin lenses are kept in contanct, the focal length of the combination is

Obtain an expression for focal length of a combination of thin lenses in contact.

CAREER POINT-MOCK TEST 7-PART (B) - CHEMISTRY
  1. The value of the of d(1) and d(2) for final rays to be parallel ...

    Text Solution

    |

  2. Ag(2)S +NaCN rarr (a) (a) +Zn rarr (d) (b) is a metal. Hence (a) a...

    Text Solution

    |

  3. [SiO(4)]^(4-) has tetrahedral structure, the silicate formed by using ...

    Text Solution

    |

  4. The correct order of the acidic nature of oxides is in the order

    Text Solution

    |

  5. Which of the following carbides gives propyne on hydrolysis?

    Text Solution

    |

  6. Consider the following sequence of reactions. The product (B...

    Text Solution

    |

  7. Which of the following compounds will not yield iodoform on heat...

    Text Solution

    |

  8. Identify the major product in the following reaction.

    Text Solution

    |

  9. Cadmium amalgam is prepared by electrolysis of a solution of CdCI(2...

    Text Solution

    |

  10. 4 gm of sulphur dioxide gas diffuses from a container in 8 min. Mass o...

    Text Solution

    |

  11. The oxidation number of nitrogen atoms in NH(4)NO(3) are:

    Text Solution

    |

  12. Select incorrect statement :

    Text Solution

    |

  13. Which of the following salt on heating with solid K(2)Cr(2)O(7) and Co...

    Text Solution

    |

  14. Which substance has the highest melting point?

    Text Solution

    |

  15. which of the following oxides is amphoteric ?

    Text Solution

    |

  16. Ionisation energy of He^(+) " is " 19.6 xx 10^(-18)J "atom"^(-1). The ...

    Text Solution

    |

  17. The ionic radii of Rb^(+) and I^(-) are 1.46 and 2.16Å. The most proba...

    Text Solution

    |

  18. The correct statement about the following disaccharide is :

    Text Solution

    |

  19. Cummen is prepeared by :

    Text Solution

    |

  20. In Reimer-Tiemann reaction molecular weight of phenol increases by:

    Text Solution

    |

  21. Chloroform has DeltaH("vaporization")=29.2 kJ//"mol" and boils at 61.2...

    Text Solution

    |