1. A virtual image larger than the object can be produced by a

  1. concave lens
  2. concave mirror
  3. plane mirror
  4. convex mirror

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2. David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will be

  1. 3 m
  2. 5 m
  3. 6 m
  4. 8 m

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3. The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear view mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be

  1. 1 m/s
  2. 2 m/s
  3. 4 m/s
  4. 8 m/s

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4. Light is a form of energy produced by a ____________

  1. luminous object
  2. non luminous object
  3. transparent object
  4. opaque object

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5. The image in a convex mirror is always

  1. real, erect and diminished
  2. virtual, inverted and diminished
  3. virtual, erect and diminished
  4. real, erect and magnified

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7. When a plane mirror is rotated through an angle of 5º the reflected ray is rotated through on angle of

  1. 5º
  2. 85º
  3. 2.5º
  4. 50º

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8. The phenomenon by which the incident light falling on a surface is sent back into the same medium is known as

  1. reflection of light
  2. refraction of light
  3. polarization of light
  4. absorbtion of light

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9. The focal length of a spherical mirror is approximately equal to

  1. half the radius of curvature
  2. four times the radius of curvature
  3. twice the radius of curvature
  4. equal to the radius of curvature

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10. When light is incident on a polished surface, then reflection takes place is

  1. regular
  2. irregual
  3. diffused
  4. normal

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