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  • If an incident ray passes through the centre of curvature of a spherical mirror, the reflected ray will _______.

    pass through the pole
    pass between the centre of focus and pole
    pass through the focus
    move in the same path
  • An image formed by a convex mirror is always ______.

    virtual, real and magnified
    real, erect and magnified
    real, inverted and diminished
    virtual, erect and diminished
  • The energy that gives us sensation of sight is called ______.

    light energy
    potential energy
    electrical energy
    mechanical energy
  • The individual unit of light is called ______.

    atom
    photon
    beam
    gluon
  • Path of a light beam is ______.

    curved
    parallel to the ground
    sometimes straight sometimes curved
    depends on medium
  •  A light beam can be _______.

    all of the answers are right
    refracted
    sometimes straight sometimes curved
    reflected
  • The spherical mirror whose inner surface is reflective is called ______.

    plain mirror
    concave mirror
    reflective mirror
    convex mirror
  • The concave mirror is also called ______.

    none
    diverging mirror
    converging mirror
    both
  • Convex mirror is also called ______.

    diverging mirror
    none are right
    both answers are right
    conversing mirror
  • The image formed by a concave mirror is ______.

    bigger
    real
    depends on where it is placed
    erect
  • The image formed by convex mirror is ______.

    inverted
    smaller than object
    all of the above answers are right
    real
  • In concave mirror what is the location of the image formed when an object is at infinity?

    at the principal focus
    beyond center of curvature
    in between center of curvature and principal focus
    at the center of curvature
  • In concave mirror what is the location of the image formed when an object is in between infinity and C?

    in between center of curvature and principal focus
    at the center of curvature
    beyond center of curvature
    at the principal focus
  • In concave mirror what is the location of image formed when object is at center of curvature ?

    beyond center of curvature
    at the center of curvature
    in between center of curvature and principal focus
    at the principal focus
  • What is the size of the image when the object is placed at the center of curvature of concave mirror?

    same size of the object
    smaller than object
    larger than object
    incomplete information to deduce the answer
  • The reason for using convex mirror in cars is because ______.

    convex mirror always form an erect image so easy identification of object
    convex mirror has narrow field of view so it is easier to focus on traffic
    all of the answers are correct
    convex mirror forms bigger image so it is easier see the object
  • Light is a form of energy produced by a ______.

    transparent object
    non-luminous object
    luminous object
    opaque object
  • An example for non-luminous object is ______.

    a candle
    an electric bulb
    the moon
    the sun
  • The phenomenon by which the incident light falling on a surface is sent back into the same medium is known as ______.

    Polarization
    Absorption
    reflection
    Refraction
  • When light is incident on a polished surface ______ reflection takes place.

    diffused
    normal
    regular
    irregular
  • An object becomes invisible when it undergoes ______reflection.

    irregular
    normal
    diffused
    regular
  • The image formed by a plane mirror is  ______.

    virtual and inverted
    real and inverted
    real or virtual
    real and erect
  • The centre of the sphere of which the spherical mirror forms a part is called ______.

    focus
    centre of curvature
    vertex
    pole
  • The focus of a concave mirror is _______.

    undefined
    Real
    at the pole
    virtual
  • A converging mirror is known as ______.

    cylindrical mirror
    plane mirror
    convex mirror
    concave mirror
  • Radius of curvature of a concave mirror is always ______ to the mirror.

    inclined at 60o
    Parallel
    inclined at 45o
    perpendicular
  • If the image formed by a concave mirror is virtual, erect and magnified, then the object is placed

    at the centre of curvature
    at the focus
    between the pole of the mirror and the focus
    beyond the centre of curvature
  • Dentists use a _____________ to focus light on the tooth of a patient.

    plane mirror
    concave mirror
    convex mirror
    cylindrical mirror
  • An object is placed 1.5 m from a plane mirror. How far is the image from the person?

    2 m
    1.5 m
    3 m
    1 m
  • An object placed 2m from a plane mirror is shifted by 0.5 m away from the mirror. What is the distance between the object and its image?

    3 m
    2 m
    5 m
    1.5 m
  • What is the angle between the incident and reflected rays when a ray of light is incident normally on a plane mirror?

    0o
    90o
    180o
    45o
  • Name the type of image that can be obtained on a screen.

    Diverging
    Converging
    virtual
    Real
  • A ray of light is incident on a plane mirror and the angle of incidence is 25o. What is the angle of reflection?

    90o
    50o
    25o
    00
  • A ray of light is incident on a plane mirror and the angle of reflection is 50o. Calculate the angle between the incident ray and the reflected ray.

    25o
    50o
    90o
    100o
  • Which of the following is used to make a periscope?

    Plane mirror
    Lens
    Convex mirror
    Concave mirror
  • Which mirror has a wider field of view?

    Plane mirror
    Concave mirror
    Cylindrical mirror
    Convex mirror
  • The focal length of a concave mirror is 15 cm. What is its radius of curvature?

    7.5 cm
    30 cm
    45 cm
    15 cm
  • A ray of light passing through the ______ retraces its path.

    vertex
    Focus
    Pole
    centre of curvature
  • When an object is placed at the focus of a concave mirror, the image will be formed at ______.

    pole
    centre of curvature
    infinity
    focus
  • Butter paper is an example for ______ object.

    a translucent
    a transparent
    an opaque
    a luminous
  • An object of size 2.0 cm is placed perpendicular to the principal axis of a concave mirror. The distance of the object from the mirror equals to the radius of curvature. The size of the image will be ______.

    2.0 cm
    1.0 cm
    0.5 cm
    1.5 cm
  • If an incident ray passes through the centre of curvature of a spherical mirror, the reflected ray will ______.

    pass through the centre of curvature
    pass through the pole
    pass through the focus
    retrace its path
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