Montessori Olympus School Quiz

10 Questions | By Batista_nani912 | Last updated: Apr 19, 2020 | Total Attempts: 26

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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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