Home
Class 11
PHYSICS
The power of a thin convex lens (""(a) m...

The power of a thin convex lens `(""_(a) mu_(g)=1.5)` is `+5.0 D`. When it is placed in liquid of refractive index `""_(a) mu_(l)` then it behaves as a concavelens of focal length 100 cm. the refractive index of liquid `""_(a) mu_(i)` will be

A

`1.875`

B

`1.68`

C

`sqrt(3)`

D

`sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|60 Videos

  • RAY OPTICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

  • RAY OPTICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

  • MEASUREMENTS

    TARGET PUBLICATION|Exercise EVALUATION TEST|17 Videos

  • REFRACTION OF LIGHT

    TARGET PUBLICATION|Exercise EVALUATION TEST|12 Videos

Similar Questions

Explore conceptually related problems

A thin convergent glass lens (mu_g=1.5) has a power of +5.0D. When this lens is immersed in a liquid of refractive index mu_1, it acts as a divergent lens of focal length 100 cm. The value of mu_1 is

The power of a thin convex lens of glass is 5 dioptre . When it is immersed in a liquid of refractive index mu , it behave like a diverging lens of focal length 1m . Calculate mu of liquid, if mu of glass = 3//2 .

A thin convex lens made of glass of refractive index 3//2 has a power of 5 D. When it is immersed in a liquid of refractive index mu , it behaves like a divergent lens of focal length 1 m. Calculate the refractive index of the liquid.

A convex lens has a refractive index 1.5 and power 7 diopter. When the lens is immersed in a liquid, it behaves as a concave lens of focal length 120 cm. Calculate the refractive index of the liquid.

The focal length of a convex lens of R.I. 1.5 is f when it is placed in air. When it is immersed in a liquid is behaves as a converging lens its focal length becomes xf(x gt 1) . The refractive index of the liquid

A glass convex lens has a power of + 10 D . When this lens is totally immersed in a liquid, it acts as a concave lens of focal length 50 cm . Calculate the refractive index of the liquid. Given .^a mu_g = 1.5 .

A thin converging lens of refractive index 1.5 has a focal power of 5 D. When this lens is immersed in a liquid, it acts as a diverging lens of focal length 100 cm. The refractive index of the liquid is

A convex lens is dipped in a liquid whose refractive index is equal to the refractive of the lens. Then its focal length will

A double convex lens has a focal length of 25 cm in air. When it is dipped into a liquid of refractive index 4/3. its focal length is increased to 100 cm. Find the refractive index of the lens material.

TARGET PUBLICATION-RAY OPTICS-CRITICALTHINKING
  1. How does the magnification (m) of the real image formed by a lens vary...

    Text Solution

    |

  2. An object is placed at a distance of f//2 from a convex lens. The imag...

    Text Solution

    |

  3. The power of a thin convex lens (""(a) mu(g)=1.5) is +5.0 D. When it i...

    Text Solution

    |

  4. A screen is placed 90 cm from an object. The image an object on the sc...

    Text Solution

    |

  5. When two thin lenses are kept in contanct, the focal length of the com...

    Text Solution

    |

  6. When two or more lnses of magnification m(1) ,m(2), m(3) are kept in c...

    Text Solution

    |

  7. A concave lens and a convex lens have same focal length of 20 cm and b...

    Text Solution

    |

  8. If we need a magnification of 400 from compound microscope of tube len...

    Text Solution

    |

  9. When objects at different distances are seen by the eye, which of the ...

    Text Solution

    |

  10. If astronomical telescope of length 1.53m has magnifying powerof magni...

    Text Solution

    |

  11. When we view object of height 15 m with a telescop of magnifying power...

    Text Solution

    |

  12. The focal length of the objective and eye piece of a telescope are res...

    Text Solution

    |

  13. The objective of telescope A has a diameter 3 times that of the object...

    Text Solution

    |

  14. A fly is sitting on the objective of a telescop pointed to the moon ta...

    Text Solution

    |

  15. An object is placed at a distance u from a concave mirror and its real...

    Text Solution

    |

  16. The distance between an object and the screen is 75 cm. When a convex ...

    Text Solution

    |

  17. Two similar planoconvex lenses are combined together in three differen...

    Text Solution

    |

  18. A virtual cannot be caought on a screen, Yet when we see a virtual ima...

    Text Solution

    |

  19. When the wavelenght of the light used is increased, the focal length o...

    Text Solution

    |

  20. If two power of a thick lense is P(1) and that of a thin lens is P(2)...

    Text Solution

    |