biconcave lens इन हिंदी

biconcave: उभयावतल

lens: शीशा कांच लेंस

	1.	By using NIMs as a biconcave lens to focus microwaves, the antenna's sidelobes are reduced in size.
	2.	A biconcave lens made of flint glass with an index of 1.7 is measured with a lens clock calibrated for crown glass with an index of 1.523.

अंग्रेज़ी→नहीं। नहीं।→अंग्रेज़ी