10 cm long stick is kept in front of a concave mirror having focal length of 10cm in such a way that the end of the stick closest to the pole is at distance of 20 cm what will be the length of the image ?
Answers
Answered by
12
Step-by-step explanation:
object height, h1=10cm
image height, h2=?
object distance, u=20cm
image distance, v=?
focal length, f=10cm
By mirror formula,
1/v+1/u=1/f
1/v+1/20=1/10
1/v=1/10-1/20
1/v=2-1/20
1/v=1/20
v=20cm
Therefore the length of the image will be 20cm....
hope it helps you ......
plz mark as brainlist
Similar questions