Question

1
U
+
U
ν
1 1 1
The focal length f of a mirror is given by
+ - where
f ν
u and v represent object and image distances respectively.
Af Δy Δν
(1)
f
Δf Δu
Δν
(2)
f f
(3)
Δν Δ(u+v)
f
+ν
Δu
Δ/ Δν ΔΗ
(4)
++ t-
+
f U V utv u+V
+ -
ν u
+
U ν
Δν​

Answer 1

Answer:

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