An object is at a distance of 0.5 m in front of a plane mirror. Distance between the object and image is
Class 10 Light and reflection

Quiz
•
Science
•
10th Grade
•
Medium
Soumitra Pramanik
Used 2+ times
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62 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Number of images formed when two plane mirrors are inclined at an angle 90° is
3
2
4
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following statements is not correct?
A convex mirror is often used as driving rear-view mirror.
A convex mirror is often used as a shaving mirror.
A concave mirror is often used in a search light or a torch.
A concave mirror is often used as the reflector behind lamp in a projector
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The relation, R = 2f holds true for -
concave mirrors only
convex mirrors only
all spherical mirrors
lens as well as for all spherical mirrors.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A magnification greater than unity indicates :
real image
size of the image is smaller than that of object
size of the object is smaller than that of image
size of object is equal to that of image
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The image formed by a convex mirror
is always real
is always virtual
cannot say
None of these
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In case of erect object having inverted image, linear magnification is :
positive
negative
zero
no definite sign.
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