Question

A convex mirror of focal length 10 cm is shown in
figure. A linear object AB = 5 cm is placed along the
optical axis. Point B is at distance 25 cm from the
pole of mirror. What will be the size of image of AB​

Answer 1

Answer:

mail Chat with tutor Login DONATE

logo Ask Questions, Get Answers

Questions >> Extras >> Student Questions

Next similar questionQ)

A convex mirror has focal length 10 cm .a linear object AB =5 cm is placed

A convex mirror has focal length 10 cm .a linear object AB =5 cm is placed along the optical axis. Point B is at distance 25 cm from the pole of mirror. The size of the image AB is =?

Homework help Donate

A)

For Point A

f=10cm

Object AB=5cm

u=-25

wkt

1/v+1/u=1/f

1/v=1/10-1/-25

v=50/7cm

for point B

f=10cm

u=-30

1/v=1/10-1/-30

v=30/4cm

size of image =30/4-50/7=10/28=0.36cm