Home
Class 12
PHYSICS
Space between two bioconvex lens of foca...

Space between two bioconvex lens of focal length f = 40cm and `mu =3/2` is filled with water (`mu = 4/3`). Find focal length of new system.

A

20 cm

B

30 cm

C

45 cm

D

60 cm

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS SECTION B|30 Videos
  • JEE MAIN 2023

    JEE MAINS PREVIOUS YEAR|Exercise Question|455 Videos

Similar Questions

Explore conceptually related problems

Find the power of a convex lens of focal length 40 cm.

A thin lens of focal length + 12 cm is immersed in water (mu = 1.33). What is its new focal length ?

A convex mirror of focal length f (in air) is immersed in water (mu = 4/3) . The focal length of the mirror in water will be -

A concave mirror of focal length f (in air) is immersed in water (mu=4//3) . The focal length of the mirror in water will be

A plano convex lens has focal length f = 20 cm . If its plane surface is silvered, then new focal length will be

A convex lens of focal length 20 cm and made of glass (mu = 1.5) is immersed in water of mu = 1.33 Calculate change in focal length of the lens.

A convex lens of focal legnth 0.2 m and made of glass (mu = 1.50) is immersed in water (mu = 1.33) . Find the change in the focal length of the lens.

Assertion : A double convex lens (mu=1.5) has focal length 10 cm . When the lens is immersed in water (mu=4//3) its focal length becomes 40 cm . Reason : (1)/(f)=(mu_(1)-mu_(m))/(mu_(m))((1)/(R_(1))-(1)/(R_(2)))

A concave lens of focal length 12 cm and a convex lens of focal length 20 cm are kept in contact with each other . Find the focal length of the combination .

JEE MAINS PREVIOUS YEAR-JEE MAIN 2022-Question
  1. Find effective focal length (assume RI n = 3)

    Text Solution

    |

  2. A l liquid drop having mass is in equilibrium in air. Electric field E...

    Text Solution

    |

  3. Space between two bioconvex lens of focal length f = 40cm and mu =3/2 ...

    Text Solution

    |

  4. Equation of two waves are given by y = 5 sin (wt -kx) y = 3 sin(wt...

    Text Solution

    |

  5. A block is projected over a rough surface with speed 9.8 m/s. If frict...

    Text Solution

    |

  6. If at the centre of circular current carrying coil, magnetic field is ...

    Text Solution

    |

  7. If one end of vertical spring is connected to ground and other end is ...

    Text Solution

    |

  8. Maximum speed of emitted electron during photoelectric effect from met...

    Text Solution

    |

  9. Two metals M1 and M2 of thermal conductivity k1 and K2 are joined end ...

    Text Solution

    |

  10. In a nuclear reaction U^220 to x^105 + y^115 binding energy per nucleo...

    Text Solution

    |

  11. In a potentiometer setup a cell of emf E1 is balanced by length 75cm. ...

    Text Solution

    |

  12. Two soap bubbles of radius r(1) and r(2) combine. Find radius of curva...

    Text Solution

    |

  13. Statement 1- In uniform magnetic field speed and energy of a charge pa...

    Text Solution

    |

  14. Find distance between first maxima in single slit diffraction pattern ...

    Text Solution

    |

  15. A scaled rod of length 1m is balanced at 40cm mark as shown in figure....

    Text Solution

    |

  16. A particle of mass 100g is in horizontal circular motion with the help...

    Text Solution

    |

  17. Work done by Carnot engine whose heat accepted 5000Kcal from 727^@C an...

    Text Solution

    |

  18. Same kinetic energy of proton, deuterium and alpha particle.Find the c...

    Text Solution

    |

  19. If the distance between sun and earth is 3R. Find time of revolution i...

    Text Solution

    |

  20. Charge on capacitor is increased by 2C nad energy stored becomes 144%....

    Text Solution

    |