When an object is placed at C of a principal axis if convex mirror , then image is formed :
1 point
At C
Beyond C
At infinity
At F
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Answer:
option At C is the correct answer
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At C
When an object is placed at C i.e, the center of curvature of a concave mirror, a real and inverted image of same size is formed at C itself.
Using formula:-
object distace=u=−2f and focal length=−f
v
1
+
u
1
=
−f
1
⟹
v
1
=
f
−1
−
u
1
=
f
−1
+
2f
1
⟹
v
1
=
2f
−1
⟹v=−2f
Hence, image is also formed at C.
When an object is placed at C i.e, the center of curvature of a concave mirror, a real and inverted image of same size is formed at C itself.
Using formula:-
object distace=u=−2f and focal length=−f
v
1
+
u
1
=
−f
1
⟹
v
1
=
f
−1
−
u
1
=
f
−1
+
2f
1
⟹
v
1
=
2f
−1
⟹v=−2f
Hence, image is also formed at C.
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