lens

in #lsc6 years ago

a lens has two surfaces it has two surface of curvature.The line joining the centres of culvature of two surfaces is the principle axis of a lens.It passes through the middle of the lens.Radii of culvature of the two surfaces of a lens may not be equal.A point in the middle of a lens on the principle axis is the centre of the lens or optical centre of the lens.

Sort:  

Congratulations @khinwint! You have completed some achievement on Steemit and have been rewarded with new badge(s) :

Award for the number of upvotes received

Click on any badge to view your own Board of Honor on SteemitBoard.

To support your work, I also upvoted your post!
For more information about SteemitBoard, click here

If you no longer want to receive notifications, reply to this comment with the word STOP

Upvote this notification to help all Steemit users. Learn why here!

Coin Marketplace

STEEM 0.35
TRX 0.12
JST 0.040
BTC 71539.00
ETH 3603.23
USDT 1.00
SBD 4.75