Question

the concave mirror with a focal length 10 cm and an object of 4 cm height is placed at a distance of 25 cm before mirror on principal axis .find the image distance and nature of the image​

Answer 1

The image is inverted relative to the object and the image distance is 16.66 cm.

Explanation:

Given that,

Focal length of the concave mirror, f = -10 cm

Height of the object, h = 4 cm

Object distance, u = -25 cm

Let v is the image distance. Using mirror's formula to find it as :

$\dfrac{1}{v}+\dfrac{1}{u}=\dfrac{1}{f}$

$\dfrac{1}{v}=\dfrac{1}{f}-\dfrac{1}{u}$

$\dfrac{1}{v}=\dfrac{1}{-10}-\dfrac{1}{(-25)}$

v = -16.66 cm

Magnification of the mirror,

$m=\dfrac{-v}{u}$

$m=\dfrac{-(-16.66)}{-25}$

m = -0.66

As the magnification is negative, it means that the image is inverted relative to the object.

Learn more :

Topic : Spherical mirrors

https://brainly.in/question/2421953

Answer 2

Answer:

very genious thanks for the ans which you have for supplementary angle the ans was 55 and 125

Explanation:

thank you