Home
Class 11
PHYSICS
For convex lens, the radii of curvatures...

For convex lens, the radii of curvatures of the first and second surface are `R_(1) and R_(2)` respectively. Using new Cartesian sign conventions they are

A

`-R_(1),-R_(2)`

B

`-R_(1),+R_(2)`

C

`+R_(1),+R_(2)`

D

`+R_(1),-R_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    TARGET PUBLICATION|Exercise CRITICALTHINKING|38 Videos
  • RAY OPTICS

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|68 Videos
  • OPTICS

    TARGET PUBLICATION|Exercise EXERCISE|447 Videos
  • REFRACTION OF LIGHT

    TARGET PUBLICATION|Exercise EVALUATION TEST|15 Videos

Similar Questions

Explore conceptually related problems

When the final image is formed at infinity the magnifying power of compound microscope is (using new Cartesian sign conventions)

A double convex lens has focal length 25 cm. The radius of curvature of one of the surfaces is double of the other. Find the radii if the refractive index of the material of the lens is 1.5.

Two cars of masses m_(1) and m_(2) are moving in circles of radii r_(1) and r_(2) respectively. Their speeds are such that they make complete circle in the same time t The ratio of their centripetal acceleration is .

Two stars of mass m_(1) and m_(2) are parts of a binary star system. The radii of their orbits are r_(1) and r_(2) respectivey, measured from the centre of mass of the system. The magnitude of gravitational force m_(1) exerts on m_(2) is

In a potentiometer experiment balancing for the first cell and second cell are 2.5 m and 2 m, respectively, when cells are used separately. Hence, E_1/E_2 is

Which of the following is NOT an expression for magnifying power of compound microscope when final image is formed at distance of distinct vision ? ( using new Cartesian sign conventions)

Two cars of masses m_1 and m_2 are moving in circles of radii r_1 and r_2 respectively. Their speeds are such that they make complete circles in the same time t. The ratio of their centripetal acceleration

Two particles A and B, move with constant velocities vec(v_(1))" and "vec(v_(2)) . At the initial moment their position vectors are vec(r_(1))" and "vec(r_(2)) respectively. The condition for particle A and B for their collision is

Two spherical black bodies of radii R_(1) and R_(2) and with surface temperature T_(1) and T_(2) respectively radiate the same power. R_(1)//R_(2) must be equal to

Two planets revolve round the sun with frequencies N_(1) and N_(2) revolutions per year. If their average orbital radii be R_(1) and R_(2) respectively, then R_(1)//R_(2) is equal to

TARGET PUBLICATION-RAY OPTICS-EVALUATION TEST
  1. For convex lens, the radii of curvatures of the first and second surfa...

    Text Solution

    |

  2. When image is fomred by reflaction, the field of veiw is maximum for

    Text Solution

    |

  3. A candle flame 2 cm high is placed at distance of 2 meter from a wall....

    Text Solution

    |

  4. An infinitely long rod lies along the axis of a concave mirror of foca...

    Text Solution

    |

  5. Assertion : If objective and eye lens of a mcroscope are interchanged ...

    Text Solution

    |

  6. The convex surface of a thin concavo-convex lens of glass of refractiv...

    Text Solution

    |

  7. Focal length of a convex/ concave mirror depends on

    Text Solution

    |

  8. A convex lens focal lenghts 30 cm made of glass of refractive index 1....

    Text Solution

    |

  9. Magnifying power of a telescope in normal adjustment when final images...

    Text Solution

    |

  10. Two plano-concave lenses (1 and 2) of glass of refractive index 1.5 ha...

    Text Solution

    |

  11. Assertion : If radius of curvature of mirror is doubled, focal length ...

    Text Solution

    |

  12. An experiment needs to heat a small sample to 700 K, but the only avai...

    Text Solution

    |

  13. Assertion : A dentist uses a convex mirror to examine a small cavity i...

    Text Solution

    |

  14. A man with normal near- point (25c m) reads a book with small print us...

    Text Solution

    |

  15. For a given compound microscope, increase in length of tube

    Text Solution

    |

  16. Which of the following (referred to a spherical mirror) do (does) not ...

    Text Solution

    |

  17. Assertion : A single lens produces a coloured image of an object illum...

    Text Solution

    |