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Finding Focal Length Of A Convex Lens...

Finding Focal Length Of A Convex Lens

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Explore conceptually related problems

How would you find the focal length of a convex lens rapidly but approximately?

Find the focal length of a convex lens which produces a virtual image at 10 cm from the lens when an object is placed at 5 cm from the lens.

Knowledge Check

  • The image obtained while finding the focal length of convex lens is_____

    A
    A real and crect
    B
    Virtual and erect .
    C
    Real and inverted
    D
    Virtual and inverted

  • The image obtained while finding the focal length of a convex lens is ……………… .

    A
    real and erect
    B
    virtual and erect
    C
    real and inverted
    D
    virtual and inverted

  • To find the focal length of a convex lens, an image of a far located tree is obtained on a screen. For this the distance measured is:

    A
    Only of between screen and tree
    B
    Only of between lens and screen
    C
    Only of between lens and tree
    D
    Between screen and tree and lens & screen

    • Similar Questions

    Explore conceptually related problems

    Find the focal length of a convex lens which produces a real image at 60 cm from the lens when an object is placed at 40 cm in front of the lens.

    Define first principal focal length of a convex lens.

    What is the combined focal length of a convex lens of focal length 30 cm in contact with a concave lens of focal length 20 cm ? What is the nature of the combined lens ?

    The focal length of a convex lens is

    How do you find the rough focal length of a convex lens ? Is the same method applicable to a concave lens?

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