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Light Reflectio...

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  • Question 1
    1 / -0

    Virtual, erect and diminished image are the characteristic features of a:

  • Question 2
    1 / -0

    How does the frequency of a beam of ultra-violet light change when it goes from air into glass?

  • Question 3
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    Where will the image be formed if the object is at the focus of the concave mirror?

  • Question 4
    1 / -0

    A convex lens has a focal length of 40 cm. Calculate its power.

  • Question 5
    1 / -0

    According to snell’s law, n21×n12 = ?

  • Question 6
    1 / -0

    A convex lens is:

  • Question 7
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    Which type of mirror is used in ophthalmoscope to examine throat and ear?

  • Question 8
    1 / -0

    If the angle of incidence is 90∘, what is the angle of refraction?

  • Question 9
    1 / -0

    What is the value of speed of light in free space?

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