sudhanshukmr57 Asked: December 2022 aaj new year ke din mai aap sab ko mai ek gift dena cahta hu but we are not so close
sudhanshukmr57 Asked: December 2022 kisi ko message kaise krengemere me nhi hota hai kya koi mujhe message kr skte ho
sudhanshukmr57 Asked: December 2022 what is relation between focal length and radius of curvature in case of a concave mirror