The radius of lens of curvature of a convex lens is 10 m The power of lens will be​

Question

The radius of lens of curvature of a convex lens is 10 m The power of lens will be​

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Adalyn 2 months 2021-07-30T03:48:44+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-07-30T03:49:45+00:00

    Explanation:

    P=

    f

    1

    ⇒f=

    P

    1

    f=

    10

    1

    m=

    10

    100cm

    =10cm

    Now

    f

    1

    =(μ−1)(

    R

    1

    1

    R

    2

    1

    )

    =

    10

    1

    =(μ−1)(

    10

    1

    −(−

    10

    1

    ))

    10

    1

    =(μ−1)

    10

    2

    ⇒μ−1=

    2

    1

    ⇒μ=1+

    2

    1

    =

    2

    3

    0
    2021-07-30T03:50:33+00:00

    Answer:

    The radius of curvature of the plane surface of a Plano-convex lens is infinite.

    Let are the radius of curvature of the convex surface and plane surface of the planoconvex lens. The focal length of the lens [f] = 30 cm.

    P=

    f

    1

    ⇒f=

    P

    1

    f=

    10

    1

    m=

    10

    100cm

    =10cm

    Now

    f

    1

    =(μ−1)(

    R

    1

    1

    R

    2

    1

    )

    =

    10

    1

    =(μ−1)(

    10

    1

    −(−

    10

    1

    ))

    10

    1

    =(μ−1)

    10

    2

    ⇒μ−1=

    2

    1

    ⇒μ=1+

    2

    1

    =

    2

    3

    Explanation:

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