Physics, asked by shadmaniadnan452, 7 months ago

A linear object of height 5cm is placed in front of a plane mirror at a distance of 15cm from the mirror. Find the position and height of the image formed​

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Answered by nilamkumari91229
1

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Ray Optics and Optical Instruments

Spherical Mirrors

A linear object of height 1...

PHYSICS

A linear object of height 10cm is kept in front of a concave mirror of radius of curvature 15cm, at a distance of 10cm. The image formed is

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ANSWER

Object distance u=−10 cm

Radius of curvature of concave mirror R=−15 cm

Thus its focal length f=

2

R

=−

2

15

cm

Using mirror formula :

v

1

+

u

1

=

f

1

v

1

+

−10

1

=−

15

2

⟹ v=−30 cm

Magnification m=

u

−v

∴ m=

−10

−(−30)

=−3

Negative sign indicates that the image formed is inverted in nature.

Magnitude of magnification is greater than 1 which indicates that magnified image is formed.

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