a concave mirror with a radius of curvature of 3m is used as rear view mirror for a vehicle if a bus is located at 5m from this mirror find the position. nature and size of the image
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Answer:
a vehicle. If a bus is located at 5 m from this mirror, find the position, nature and size of the image. ... Image Formation by Spherical Mirror.
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12th
Physics
Ray Optics and Optical Instruments
Image Formation by Spherical Mirror
An object is placed at a di...
PHYSICS
An object is placed at a distance of 10 cm from a convex mirror of focal length 5 cm.
(i) Draw a ray-diagram showing the formation of image.
(ii) State two characteristics of the image formed.
(iii) Calculate the distance of the image from mirror.
1033392
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ANSWER
Object Distance(u) = 10 cm. (negative)
Focal length of the lens (f) = 5 cm.
We know, convex mirror always forms the virtual, upright and diminished.Also, Object distance in the convex mirror is always negative where as Image distance and focal length are positive.
Now, Applying the Mirror's Formula,
f
1
=
v
1
+
u
1
=
5
1
=
v
1
+
1
=
5
1
=
10v
(10−v)
10v=50−5v
15v=50
v=
3
10
so the image distance (v) =3.33cm.