Quiz Summary
0 of 30 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 30 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- Current
- Review
- Answered
- Correct
- Incorrect
-
Question 1 of 30
1. Question
Assertion: Cannot see the distant object clearly.
Reason: The far point of an eye suffering j, from myopia is less than infinity.CorrectIncorrect -
Question 2 of 30
2. Question
When the object is placed between f and 2f of a convex lens, the image formed is
CorrectIncorrect -
Question 3 of 30
3. Question
A ray of light is travelling from a rarer medium to a denser medium. While entering the denser medium at the point of incidence, it
CorrectIncorrect -
Question 4 of 30
4. Question
The image formed by a convex lens can be
CorrectIncorrect -
Question 5 of 30
5. Question
If an incident ray passes through the focus, the reflected ray will
CorrectIncorrect -
Question 6 of 30
6. Question
A full length image of a distant tall building can definitely be seen by using
CorrectIncorrect -
Question 7 of 30
7. Question
The refractive index of water is 1.33. The speed of light in water will be
CorrectIncorrect -
Question 8 of 30
8. Question
Where should an object be placed in front of convex lens to get a real image of the size of the object?
CorrectIncorrect -
Question 9 of 30
9. Question
An object at a distance of 30 cm from a concave mirror gets its image at the same point. The focal length of the mirror is
CorrectIncorrect -
Question 10 of 30
10. Question
A concave mirror of radius 30 cm is placed in water. It’s focal length in air and water differ by
CorrectIncorrect -
Question 11 of 30
11. Question
As light travels from a rarer to a denser medium it will have
CorrectIncorrect -
Question 12 of 30
12. Question
The nature of image formed by a convex mirror when the object distance from the mirror is less than the distance between pole and focal point (F) of the mirror would be:
CorrectIncorrect -
Question 13 of 30
13. Question
You are given three media A, B and C of refractive index 1.33, 1.65 and 1.46. The medium in which the light will travel fastest is
CorrectIncorrect -
Question 14 of 30
14. Question
When object moves closer to convex lens, the image formed by it shift
CorrectIncorrect -
Question 15 of 30
15. Question
A magnified real image is formed by a convex lens when the object is at
CorrectIncorrect -
Question 16 of 30
16. Question
If a man’s face is 25 cm in front of concave shaving mirror producing erect image 1.5 times the size of face, focal length of the mirror would be
CorrectIncorrect -
Question 17 of 30
17. Question
Where should an object be placed in front of a convex lens to get real image of the size of the object?
CorrectIncorrect -
Question 18 of 30
18. Question
A divergent lens will produce
CorrectIncorrect -
Question 19 of 30
19. Question
In torches, search lights and head lights of vehicles the bulb is placed
CorrectIncorrect -
Question 20 of 30
20. Question
For a real object, which of the following can produce a real image?
CorrectIncorrect -
Question 21 of 30
21. Question
An object is placed at a distance of 0.25 m in front of a plane mirror. The distance between the object and image will be
CorrectIncorrect -
Question 22 of 30
22. Question
The distance between the object and image will be
CorrectIncorrect -
Question 23 of 30
23. Question
Assertion: Pupil is black in colour.
Reason: Pupil is black in colour as no light is reflected in it.CorrectIncorrect -
Question 24 of 30
24. Question
Assertion: The rainbow is a man made spectrum of sunlight in the sky.
Reason: The rainbow is formed in the sky when the sun is shining and it is raining at the same time.(a) Both A and R are true and R is the correct explanation of A.CorrectIncorrect -
Question 25 of 30
25. Question
Which mirror can produce a virtual, erect and magnified image of an object?
CorrectIncorrect -
Question 26 of 30
26. Question
Image formed by reflection from a plane mirror is
CorrectIncorrect -
Question 27 of 30
27. Question
Focal length of a concave mirror is
CorrectIncorrect -
Question 28 of 30
28. Question
When light falls on a smooth polished surface, most of it
CorrectIncorrect -
Question 29 of 30
29. Question
Which of the following statements is/are true?
CorrectIncorrect -
Question 30 of 30
30. Question
The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object?
CorrectIncorrect