A 1cm object is placed perpendicular to the principal axis of a convex mirror of focal length 7.5 cm.
Then the object should be placed infront of the mirror at a distance to get the size of the image as 0.6 cm
is
a) 3 cm
b) 5 cm
c) 7.5 cm
d) 10 cm
Answers
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Answer:0.6=−
u
v
The mirror formula is given as,
v
1
+
u
1
=
f
1
0.6u
1
−
u
1
=
f
1
u=5cm
Thus, the distance from the mirror is 5cm.
Explanation:
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