Question

an object of size 7cm placed at 27cm infront of a concave mirror of focal length (f) =18cm. find the size of the image.
a) 21cm
b) 21m
c) -21cm
d) -21m​

Answer 1

Answer:

i am Anish Kumar kushwaha here in bihar BETTIAH

Answer 2

Answer:

Thrid options is the correct answer