If one of the surfaces of a lens is concave and the other is convex such that the central region of the lens is thinner than its edges, is is called _____?
If one of the surfaces of a lens is concave and the other is convex such that the central region of the lens is thinner than its edges, is is called _____?
اگر عینک کی ایک سطحیں مقعر ہے اور دوسرا محدب ہے کہ لینس کا مرکزی علاقہ اس کے کناروں سے پتلا ہے ، کیا اسے _____ کہا جاتا ہے؟
Explanation
A lens with one concave surface and one convex surface, where the central region is thinner than the edges, is called a concave convex lens (also known as a plano-concave lens).This type of lens diverges light rays passing through it