Question

please solve it fast ​

Answer 1

Answer:

i veryy very sorry i dont the answer what u posted in this

Explanation:

Bcz i m not science student and i m a commerce student enaku nalaiku exam very sad to say like this

Answer 2

Solution : given , u+v= 60cm ... ( 1 )

since we know that , u = v

we substitute v as u in eqn (1)

=> u+v= 60

=> u+u= 60

=> 2u= 60

=> u= 60/2= 30

Hence , the distance of the child from the plane mirror is 30 cm