Question

iii. Shalini wants to get an inverted image of height 5 cm of an object kept at a distance of 30 cm from a concave mirror. The focal length of the mirror is 10 cm. At what distance from the mirror should she place the screen? What will be the type of the image, and what is the height of the object?​

Answer 1

Answer:

1/f=1/u+1/v

1/10-1/30=1/v

3-1/30=1/v

2/30=1/v

v=15cm

hi/ho=-v/h

1/ho=-v/u×hi

1/ho=-15/30×5

ho=-10cm

nature of image is virtual and diminished

Answer 2

Answer in attachment!!