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Science CBSE Homework Assignments
Class 10
Light reflection and refraction
Basics of light and mirror
2.
Basics of mirror
Task:
2
m.
Select the correct answer
:
1
.
Image which cannot be formed on a screen is called __________.
real
virtual
none of the above
2
.
The imaginary line passing through the centre of curvature and pole of a spherical mirror is called __________.
centre of curvature
pole
principal axis
radius of curvature
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