REFLECTION AND MIRRORS
Quiz
•
Physics
•
10th Grade
•
Practice Problem
•
Easy
Pranav shivakumar
Used 3+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
A man is 6.0 ft tall. What is the smallest size plane mirror he can use to see his entire image
3.0 ft
6.0 ft
12 ft
2.0 ft
Answer explanation
It does not matter how far you are from the mirror. In order to see full image of a person, the minimum size of the mirror should be one half the person's height. This is so because, in reflection, the angle of incidence is equal to angle of reflection. So, to see the image of a 6 ft tall person, a 3 ft long mirror is required.
2.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Focal length of a plane mirror is
Zero
Infinite
5
25
3.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Find the angle of incidence and angle of reflection from the diagram.
45o, 40o
60o, 60o
55o, 55o
30o, 30o
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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?
Between the principal focus and the centre of curvature
At the centre of curvature
Beyond the centre of curvature
Between the pole of the mirror and its principal focus.
Answer explanation
The position of the object should be between the pole of the mirror and its principal focus.
5.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be
plane
concave
convex
All of these
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Name the mirrors shown in figure (a) and (b) :
(a) and (b) both are convex mirror
(a) and (b) both are concave mirror
(a) is convex mirror
(b) is concave mirror
(a) is concave mirror
(b) is convex mirror
7.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
What type of mirror is this?
CONVEX
CONCAVE
PLANE
BOTH CONVEX AND PLANE
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