Montessori Olympus School Quiz

10 Questions | Total Attempts: 21

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Montessori Olympus School Quiz

Topic : Light Prepared by N. Prashanth (Physics Teacher-7396328685)


Questions and Answers
  • 1. 
    According to fermat principle, the route which light travel from A to B
    • A. 

      Route 2

    • B. 

      Route 1

    • C. 

      Route 4

    • D. 

      Route 3

  • 2. 
    From this figure i =
    • A. 

      500

    • B. 

      900

    • C. 

      400

    • D. 

      1800

  • 3. 
    From this figure the principal axis is
    • A. 

      AR

    • B. 

      AC

    • C. 

      AP

    • D. 

      PC

  • 4. 
    1. By extension of reflected rays we can get ___________ image
    • A. 

      Virtual Image

    • B. 

      Real Image

    • C. 

      Inverted Image

    • D. 

      No image

  • 5. 
    Among these which is not a rule of sign convention?
    • A. 

      Measure all distances from centre of curvature

    • B. 

      The distance in light travelling direction is positive

    • C. 

      Distance in opposite direction is negative

    • D. 

      ​​​​​​Measure all distances from (Pole)

  • 6. 
    If radius of curvature of a spherical mirror (R) = 14cm them the focal length =____________
    • A. 

      28 cm

    • B. 

      35 cm

    • C. 

      7 cm

    • D. 

      21 cm

  • 7. 
    Focal laugh (f) =-15cm object distence (u) = -25cm height of the object (ho) = +4cm then the image is
    • A. 

      Enlarged

    • B. 

      Inverted

    • C. 

      Both Enlarged & Inverted

    • D. 

      None of these

  • 8. 
    In mirrors the virtual image is formed when the object is at _____________
    • A. 

      Focus

    • B. 

      ​​​​​​between pole and focus

    • C. 

      At centre of curvature

    • D. 

      Beyond the centre of curvature

  • 9. 
    The image of an object in pinhole camera is ________________
    • A. 

      Erect 

    • B. 

      Inverted

    • C. 

      Diminished

    • D. 

      Plain

  • 10. 
    In plane mirrors, right - left inversion of image is called
    • A. 

      Inverse

    • B. 

      Reverse

    • C. 

      Lateral Inverse

    • D. 

      Same side

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