Test Series-18


  • Your test contains 12 multiple choice questions with only one answer
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1.Identify a mirror having focal length –35cm?
  • Convex
  • concave
  • plane

Link Type comphrehension( Q2-Q4)
An object 5.0cm in length is pl aced at a distance of 20cm in front of a convex mirror of radius of Curvature 30cm
2) Find the position of the image ?
  • 8.1cm
  • 8.6 cm
  • None of these

3. Find the nature of the image
  • Virtual ,inverted
  • real,inverted
  • Virtual ,erect
  • real ,erect

4..Find the size of the image?
  • 7.1cm
  • 5cm
  • 2.2 cm
  • None of these

5.An object of height 5 cm is placed at 30 cm from a concave mirror of focal lenght 15 cm.Which one is true
  • A virtual inverted image will be formed at 10 cm and will be of diminished size then object
  • A real erect image will be formed at 30 cm and will be of same size as object
  • A real inverted image will be formed at 30 cm and will be of same size as object

6. The image formed by a convex mirror for an object placed at infinity is ?
  • Behind the mirror at focus
  • Behind the mirror between focus and pole
  • infront of mirror at focus
  • None of these

7. Nomatter how far you stand from a spherical mirror , your image appears erect. The mirror may be?
  • convex
  • concave
  • plane
  • either plane or concave

8. which of these is false for plane mirror?
  • focal lenght is infinite
  • Power of the plane mirror is zero
  • Magnification produced is 1
  • None of these

9.A concave mirror is a part of a sphere of radius 60cm.It’s focal length is?
  • 60cm
  • 15cm
  • 30
  • infinity

10.Which mirror is used as rear-view mirror in vehicles?
  • convex
  • concave
  • plane

11. A concave mirror produces three times magnified (enlarged) real image of object placed at 10 cm in front of it. Where is the image located?
  • 30 cm
  • 3.3cm
  • 33cm
  • none of these

12. when an object is placed at infinity from the concave mirror,the image is formed at?
  • infinity
  • radius of curvature
  • focus
  • none of these

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