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SAI INTERNATIONAL SCHOOL
Class 7
Home Assignment
Subject-Physics
CH: Light and Associated Phenomena
Subtopic- Spherical Mirrors

INSTRUCTIONS:
For Assertion& Reason question follow the following directions.
DIRECTION: Each of these questions contains an Assertion followed by

Reason. Read them carefully and answer the question on the basis of
following options. You have to select the one that best describes the two
statements.
(a) If both Assertion and Reason are correct and Reason is the correct
explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct
explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct
e) If Assertion & Reason both are incorrect.
Sl.No QUESTIONS MARKS

Fill in the blanks

1 The line passing through the centre of curvature and the centre of 1
mirror is called
The centre of the sphere of which the spherical mirror is a part is 1
2 called

True and False

A curved mirror whose outer side is polished is called concave 1
3
mirror.(True/False)

MCQ & Assertion Reasoning question

Which one of the following doesn’t use concave mirror? 1
a) Magnifier mirror by dentist
4 b) Reflector in flash light
c) Solar heater
d) Rear view mirror in cars
Which of the following is used by an E.N.T doctor?
a) Convex mirror
5
b) Concave mirror
c) Plane mirror