Question

An object 5.0 cm in length is placed at a distance of 20 cm in front of a convex
mirror of radius of curvature 30 cm. Find the position of the image, its nature
and size.
la 97cm in front of a conove mirror of focal​

Answer 1

Answer:

Approximately 8cm.

Explanation:

Height of image is 2cm, Size of image is diminished, Virtual and Erect.

Answer 2

Hey Mate ❤

Your Answer -

Given :

Object distance, u = -20 cm

Object height, h = 5 cm

Radius of curvature, R = 30 cm

Focal length, f = R/2 = 15 cm

☑ Mirror Formula :

According to the mirror formula,

1/v + 1/u = 1/f

1/v = 1/f - 1/u

1/v = 1/15 - ( - 1/20 )

1/v = 1/15 + 1/20

1/v = (3+4)/60

1/v = 7/60

v = 8.57 cm

➡ The positive value of v indicates that the image is formed behind the mirror.

☑ Magnification :

m = - v/u = - ( 8.57/-20) = 0.428

➡ The positive value of magnification indicates that the image formed is virtual.

Now again,

m = h'/h { h' is image height }

h' = m × h

h' = 0.428 × 5 = 2.14 cm

➡ The positive value of h' is indicates that the image formed is erect.

☑ Hence, the image formed is erect, virtual, and smaller in size.

☑ Some most important question from this chapter -

➡ A concave Lens of focal length 15 cm forms an image of 10 cm from the Lens. how far is the object placed from the Lens?....

https://brainly.in/question/5910326

➡ A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it where is the needle placed in f...

https://brainly.in/question/9687885

➡ A concave mirror produces three times magnified(enlarged) real image of an object placed at 10 cm in front of it . where...

https://brainly.in/question/1000254

Glad To Help :D

☑ If you like the answer than hit the like button n ho ske to follow up vi kr lena ❤