Question

bre
(a) in cene
18 When light falls perpendicular on plane object.
It forms an image of object similar to object.
Rahul was conducting an experiment on light. In
dark room. He took a square card board of side
30 cm and cut out a scalene triangle APQR of sides
3 cm, 6 cm, 5 cm from it. Upon throwing light Torch
perpendicular to card board an illustrated triangular
image AABC is formed on the opposite wall.
Rahul measured length of AB as 21 cm. Then,
answer the following questions.
What is the length of BC?​

Answer 1

Answer:

question thode kam rakha karo