Question

Find the size, Nature and position of images when


a. m=-1

b. m<+1

c.m<-1

d. m>-1

e. m>+1

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Answer 1

Answer:

u=−15cm

f=−10cm

h=1cm

From mirror formula

f1=u1+v1

v1=f1−u1

v1=−101−−151

v=−30cm

The image is formed at a distance 30cm on the left side of the mirror from the pole.

m=hh′=u−v

h′=−1×−15−30

h=−2cm

The image size is 2cm and it is real and inverted.