Physics
Grade-10
Easy

Question

The diameter of the outer edge of a lens is called the ____.

  1. Diameter of curvature
  2. Radius of curvature
  3. Aperture
  4. Focal length

hintHint:

An aperture refers to the diameter of the outer edge of a lens through which light rays reach out.

The correct answer is: Aperture


    The diameter of the outer edge of a lens is called an aperture.
    • The diameter of the outer edge of a lens is called an aperture.
    • The aperture is a part of the lens that determines the amount of light that reaches out through the lens.
    • The light rays are passed through the aperture.

    Related Questions to study

    Grade-10
    Physics

    Analyse from the picture and find out the substance that has the highest refractive index.

    Analyse from the picture and find out the substance that has the highest refractive index.

    PhysicsGrade-10
    Grade-10
    Physics

    In which of the following purposes lenses are not used?

    In which of the following purposes lenses are not used?

    PhysicsGrade-10
    Grade-10
    Physics

    A light ray enters medium 2 from medium 1. If the medium 2 has a refractive index greater than medium 1, the light ray would _____ on entering medium 2. 

    A light ray enters medium 2 from medium 1. If the medium 2 has a refractive index greater than medium 1, the light ray would _____ on entering medium 2. 

    PhysicsGrade-10
    parallel
    Grade-10
    Physics

    Refraction of light takes place because of the _____ that light encounters on passing from one medium to another. 

    Refraction of light takes place because of the _____ that light encounters on passing from one medium to another. 

    PhysicsGrade-10
    Grade-10
    Physics

    The absolute refractive index of glass is ___.

    The absolute refractive index of glass is ___.

    PhysicsGrade-10
    Grade-10
    Physics

    The refractive index of a pair of medium depends upon the speed of light in ____. 

    The refractive index of a pair of medium depends upon the speed of light in ____. 

    PhysicsGrade-10
    parallel
    Grade-10
    Physics

    The speed of light in glass is ____ that in water.

    The speed of light in glass is ____ that in water.

    PhysicsGrade-10
    Grade-10
    Physics

    The absolute refractive index is the refractive index of a material medium w.r.t _____. 

    The absolute refractive index is the refractive index of a material medium w.r.t _____. 

    PhysicsGrade-10
    Grade-10
    Physics

    The speed of light in glass is ____ that in the air.

    The speed of light in glass is ____ that in the air.

    PhysicsGrade-10
    parallel
    Grade-10
    Physics

    What is the SI unit of measurement of refractive index of a medium?

    What is the SI unit of measurement of refractive index of a medium?

    PhysicsGrade-10
    Grade-10
    Physics

    The refractive index of any medium is ____. 

    The refractive index of any medium is ____. 

    PhysicsGrade-10
    Grade-10
    Physics

    The refractive index of air is ____. 

    The refractive index of air is ____. 

    PhysicsGrade-10
    parallel
    Grade-10
    Physics

    The speed of light in a vacuum is ______ m/s. 

    The speed of light in a vacuum is ______ m/s. 

    PhysicsGrade-10
    Grade-10
    Physics

    The radius of curvature of a convex mirror is taken to be _____.

    the center of curvature and focus lies behind the convex mirror, hence the signs are taken as positive.

    The radius of curvature of a convex mirror is taken to be _____.

    PhysicsGrade-10

    the center of curvature and focus lies behind the convex mirror, hence the signs are taken as positive.

    Grade-10
    Physics

    For an image formed behind a mirror towards the right, the sign for the image distance is _____.

    For an image formed behind a mirror towards the right, the sign for the image distance is _____.

    PhysicsGrade-10
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.