Draw a ray diagram to show the image formation in this
case and mark the distance between the object and its
image.
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2
Answer:
+
u
1
=
f
1
⇒
−80
1
+
−20
1
=
f
1
⇒ f=
−(20+80)
20×80
=
100
−1600
=−16 cm
i) Since , f is negative , the mirror is concave mirror
ii) Magnification = u−v
= −20−(−80) = 4
ii) From fig distance between object and image is
60 cm
iv) Draw above
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0
Answer:
u can see from...... here
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