Home
Class 12
PHYSICS
An air bubble in sphere having 4cm diame...

An air bubble in sphere having 4cm diameter appears of 1 cm from surface nearest to eye when looked along diameter. If nga = 1.5, the distance of bubble from refracting surface is

A

1.2 cm

B

3.2 cm

C

2.8 cm

D

1.6 cm

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • OPTICS

    PRADEEP|Exercise Problems for practice|4 Videos
  • OPTICS

    PRADEEP|Exercise Comprehension 1|1 Videos
  • OPTICS

    PRADEEP|Exercise Value based questions|3 Videos
  • MAGNETIC EFFECT OF CURRENT AND MAGNETISM

    PRADEEP|Exercise Competition Focus (Multiple Choice Questions)|2 Videos

Similar Questions

Explore conceptually related problems

A small air bubble in a sphere of glass with radius 4 cm appears to be 1 cm from the surface when observed along a diameter. Find the true positino of the air bubble.

A small air bubble in a glass sphere of radius 2 cm appears to be 1 cm from the surface when looked at, along a diameter. If the refractive index of glass is 1.5 , find the true position of the air bubble. .

An air bubble in glass (mu=3//2) is situated at a distance of 2 cm from centre of sphere of diameter 10 cm. Locate the image of bubble from (a) nearer surface and (b) farther surface.

An air bubble is seen inside a solid sphere of glass (n=1.5) of 4.0 cm diameter at a distance of 1.0 cm from the surface of the sphere (on seeing along the diameter). Determine the real position of the bubble inside the sphere.

An air bubble in a glass sphere (mu = 1.5) is situated at a distance 3 cm from a convex surface of diameter 10 cm . At what distance from the surface will be the bubble appear ?

An air bubble in a glass sphere (mu = 1.5) is situated at a distance 3 cm from a convex surface of diameter 10 cm . At what distance from the surface will the bubble appear ?

An image is formed at a distance of 100 cm from the glass surface with refractive index 1.5, when a point object is placed in the air at a distance of 100 cm from the glass surface. The radius of curvature is of the surface is

What is the diameter (in cm) of a sphere of surface area 1386 cm^2 ?

PRADEEP-OPTICS-Exercise
  1. Calculate the speed of light in a medium whose critical angle is 45^(@...

    Text Solution

    |

  2. Velocity of light in a liquid is 1.5 xx 10^(8) m//s and in air, it is ...

    Text Solution

    |

  3. An air bubble in sphere having 4cm diameter appears of 1 cm from surfa...

    Text Solution

    |

  4. An object is placed 50 cm from the surface of a glass sphere of radius...

    Text Solution

    |

  5. A spherical surface of radius 30 cm separates two transparent media A ...

    Text Solution

    |

  6. An air bubble in a glass sphere (mu = 1.5) is situated at a distance 3...

    Text Solution

    |

  7. A convex refracting surface of radius of curvature 20 cm separates two...

    Text Solution

    |

  8. A sphere of glass (mu = 1.5) is of 20 cm diameter. A parallel beam ent...

    Text Solution

    |

  9. A beam of light strikes a glass sphere of diameter 15 cm convering tow...

    Text Solution

    |

  10. One end of a horizontal cylindrical glass rod (mu=1.5) of radius 5 cm...

    Text Solution

    |

  11. A spherical convex surface separates object and image space of refract...

    Text Solution

    |

  12. The radii of curvatureof double convex lens of glass (mu = 1.5) are in...

    Text Solution

    |

  13. A convex lens of focal legnth 0.2 m and made of glass (mu = 1.50) is ...

    Text Solution

    |

  14. A converging lens has a focal length of 20 cm in air. It is made of a ...

    Text Solution

    |

  15. The radii of curvature of each surface of a convex lens is 20 cm and t...

    Text Solution

    |

  16. A convex lens made up of glass of refractive index 1.5 is dippedin tur...

    Text Solution

    |

  17. A converging lens of refractive index 1.5 and of focal length 15 cm in...

    Text Solution

    |

  18. The radii of curvature of the surfaces of a double convex lens are 20 ...

    Text Solution

    |

  19. A convex lens made up of glass of refractive index 1.5 is dippedin tur...

    Text Solution

    |

  20. A biconvex lens is made of glass with mu = 1.52. Each surface has a ra...

    Text Solution

    |