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Light Energy

Quiz by Nikita Mukhopadhyay

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10 questions
Show answers
  • Q1
    In ________________ mirror all rays of light parallel to principal axis diverges after reflection and appear to come from the principal focus
    convex
    concave
    plane
    convex
    60s
  • Q2
    _____________________________ mirrors are used in reflector-type telescope.
    Concave
    Plane
    Convex
    Concave
    60s
  • Q3
    Is this person using a convex or concave mirror?
    Question Image
    Concave mirror
    Concave mirror
    Convex Mirror
    Plane Mirror
    60s
  • Q4
    A spherical mirror is a part ____________________________________________________ .
    of a hollow glass sphere with one of the curved surfaces polished .
    of a hollow glass sphere with one of the curved surfaces polished .
    of a dense glass sphere with only outer surface polished.
    of a hollow glass sphere with only inner surface polished
    60s
  • Q5
    The length of a straight line joining two opposite extreme points on the periphery of a spherical mirror is called ______________________ .
    optical centre
    linear aperture
    principal axis
    linear aperture
    60s
  • Q6
    State the nature of the image formed.
    Question Image
    Real, erect and diminished
    Virtual, inverted and magnified
    virtual, erect and diminished
    virtual, erect and diminished
    60s
  • Q7
    Concave mirrors are used in floodlights in cricket stadium. Where are the bulbs located?
    At focus
    Between focus and pole
    Between focus and centre of curvature.
    Between focus and pole
    60s
  • Q8
    In case of concave mirror the centre of curvature lies _________________ the reflecting surface
    outside
    boundary of
    in front of
    in front of
    60s
  • Q9
    The diameter of the reflecting surface of a spherical mirror is called as ____________
    centre of curvature
    centre of curvature
    focal length of the curvature
    radius of curvature
    60s
  • Q10
    In concave mirror, the size of the image depends upon
    position of the object
    shape of the object
    size of the object
    position of the object
    60s

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