Montessori Olympus School Quiz
10 Questions
| Total Attempts: 21
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 - ProProfs]( "According to fermat principle, the route which light travel from A to B")
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 = - ProProfs]( "From this figure i =")
From this figure i =- A.
500
- B.
900
- C.
400
- D.
1800
- 3.
![From this figure the principal axis is - ProProfs]( "From this figure the principal axis is")
From this figure the principal axis is- A.
AR
- B.
AC
- C.
AP
- D.
PC
- 4.
- 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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