anybody can the question no. 8th plz its urgent tomorrow is my exam
Attachments:
Answers
Answered by
2
given
v=20cm
from question v=2u
concave mirror image of distance is always in negative form
therefore
v=-2u
20=-2u
u=20/-2
u=-10cm
that's prove.
v=20cm
from question v=2u
concave mirror image of distance is always in negative form
therefore
v=-2u
20=-2u
u=20/-2
u=-10cm
that's prove.
Similar questions