(1) An object is placed in front of Con cave 40 cm a mirror of radius of curvature at^ + the nature a distance f 10 cm. Find and magnification e int the m age
*[Ans virtual and erect, M=2]
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0
Answer:
si answer is 4into 4
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1
Answer:
Given, u=−10cm,R=15cm,∴f=
2
R
=−
2
15
cm
From mirror formulae,
v
1
+
u
1
=
f
1
⇒
v
1
=
f
1
−
u
1
⇒
v
1
=
10
1
−
15
2
⇒v=−30
Nature of image is real and inverted.
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