Home
Class 12
PHYSICS
Assertion : Although the surfaces of a g...

Assertion `:` Although the surfaces of a goggle lens are curved, it does not have any power.
Reason`:` In case of goggles, both the curved surfaces have equal radii of curvature.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion

B

If both assertion and reason are true but reason is not the correct explanation of the assertion

C

If assertion is true but reason is false

D

If the assertion and reason both are false

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    ERRORLESS |Exercise Refraction of Light at Plane Surfaces|9 Videos

  • RAY OPTICS

    ERRORLESS |Exercise Refraction at Curved Surface|8 Videos

  • MAGNETISM

    ERRORLESS |Exercise Assertion & Reason|1 Videos

  • WAVE OPTICS

    ERRORLESS |Exercise SET|23 Videos

Similar Questions

Explore conceptually related problems

Assertion:Although the surfaces of goggle lens are curved, It does not have any power. Reason: In case of goggles, both the curved surfaces have equal radii of curvature and have centre of curvature on the same side.

Statement I: Although the surfaces of gogggle lengses are curved, it does not have any power. Statement II: In case of goggle, both the curved surfaces have equal radii of curvature and have center of curvature on the same side.

The surfaces of the sun glasses (goggles) are curved, yet their power may be zero. Why ?

The surface of the sun glasses (goggles) are curved, yet their power may be zero. Why ?

When curved surface of a plane convex lens is silvered then the focal power of the lense is

The radii of curvature of both the surfaces of a lens are equal. How will its focal length and power change if one of the surfaces of the lens is made plane ?

Find the focal length of the lens shown in Fig . The radii of curvature of both the surfaces are equal to R.

Find the focal length of the lens shown in the figure. The radii of curvature of both the surfaces are equal to R

A sphere and a hemisphere have the same volume. The ratio of their curved surface area is :

ERRORLESS -RAY OPTICS-SET
  1. Assertion : Although the surfaces of a goggle lens are curved, it does...

    Text Solution

    |

  2. In an astronomical telescope in normal adjustment a straight black lin...

    Text Solution

    |

  3. Three lenses L(1) , L(2) , L(3) are placed co-axially as shown in figu...

    Text Solution

    |

  4. An object is placed at a point distant x from the focus of a convex le...

    Text Solution

    |

  5. The diameter of the eye-ball of a normal eye is about 2.5 cm . The pow...

    Text Solution

    |

  6. In a thin spherical fish bowl of radius 10 cm filled with water of ref...

    Text Solution

    |

  7. A small fish 0.4 m below the surface of a lake is viewed through a sim...

    Text Solution

    |

  8. A water drop in air refractes the light ray as

    Text Solution

    |

  9. Which of the following ray diagram show physically possible refraction...

    Text Solution

    |

  10. Following figure shows the multiple reflections of a light ray along a...

    Text Solution

    |

  11. When the rectangular metal tank is filled to the top with an unknown l...

    Text Solution

    |

  12. A concave mirror and a converging lens (glass with mu = 1.5) both have...

    Text Solution

    |

  13. A ray of light strikes a plane mirror M at an angle of 45^(@) as shown...

    Text Solution

    |

  14. A slab of glass, of thickness 6 cm and refractive index 1.5, is placed...

    Text Solution

    |

  15. A point source of light S is placed at the bottom of a vessel containi...

    Text Solution

    |

  16. A point object is placed midway between two plane mirrors a distance a...

    Text Solution

    |

  17. A convergent beam of light is incident on a convex mirror so as to con...

    Text Solution

    |

  18. PQR is a right angled prism with other angles as 60^(@) and 30^(@). Re...

    Text Solution

    |

  19. When a ray is refracted from one medium to another, the wavelength cha...

    Text Solution

    |

  20. Two this lenses, when in contact, produce a combination of power +10 d...

    Text Solution

    |

  21. The plane faces of two identical plano convex lenses, each with focal ...

    Text Solution

    |