THE KING of POWER 4D Public Group

power 4d   lotus4d biru The power of a lens is +4D Find the focal length of this lens An object is placed at a distance of 50 cm from the optical centre of this

melayu 4d About this group 2D & 4D Nos Final mau? Join whatapps Ahli Group Admin +601151763849  Power of lens =−4D Focal length =1P=1−4=−25cm Negative value of focal length and power indicates that the lens is concave lens Was this answer helpful?

merci4d THE KING of POWER 4D is on To connect with THE KING of POWER 4D , log in or create an account  The power of the lens is P =