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A virtual image is formed by a lens for ...

A virtual image is formed by a lens for a real object.
Take `|(v)/(f)| = y` and `|(u)/(f)| = x` and draw y vs x graph if
(a) lens is diverging.
(b) lens is converging.

Text Solution

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The correct Answer is:
`(##IJA_PHY_V02_C13_E01_127_A01##)`
`(##IJA_PHY_V02_C13_E01_127_A02##)`
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Explore conceptually related problems

a) A small object is placed 150 mm away from a diverging lens of focal length 100 mm. i) Copy the figure below and draw rays to show how an image is formed by the lens. ii) Calculate the distance of the image from the lens by using the lens formula. b) The diverging lens in part a) is replaced by a converging lens also of focal length 100 nm. The object remains in the same position and an image is formed by the converging lens. Compare two properties of this image with those of the image formed by the diverring lens in part a)

A concave lens always forms a virtual image. (T/F)

Knowledge Check

  • Statement-1: When the upper half of a converging lens is missing, a real image formed by the lens for a real object will lack its lower half. Statement-2: The real image formed by a thin lens for a real object will be always inverted.

    A
    Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1.
    B
    Statement-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1.
    C
    Statement-1 is true, statement-2 is false.
    D
    Statement -1 is false, statement -2 is true.

  • A convex lens forms a virtual image of an object placed ………… .

    A
    at infinity
    B
    at a distance 2F from the lens
    C
    at a distance F from the lens
    D
    between the principal focus and the optical centre of the lens

  • A convex lens forms a virtual image of an object placed…….. .

    A
    at infinity
    B
    at `2F_(1)`
    C
    at`F_(1)`
    D
    between`F_(1)` and opitcal centre O

    • Similar Questions

    Explore conceptually related problems

    An object kept 60 cm from a lens gives a virtual image 20 cm in front of the lens. What is the focal length of the lens? Is it a converging lens or diverging lens?

    A converging lens can from a virtual image if the object is placed

    A convex lens forms a virtual image of an object placed ………………. .

    A convex lens forms a virtual image of an object placed ____

    A virtual erect image by a diverging lens is repesented by ( u , v , f , are coordinates)

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