Physics, asked by sidverma4205, 1 year ago

A lens has a power +2.0



d.The type and focal length of this lens is


kissgirl: lens is convex...
kissgirl: focal lengg is 0.5
Mssucharya: lens is convex..

Answers

Answered by prashanthi99
0
for +2.0 the lend used is convex lens with least distant vision
Answered by SJain1238
0
Power, P = +2.0 D
Focal Length, f = ?

We know,
Power = 1 / Focal Length (in metres)
=> P = 1 / f ( in metres)
=> f = 1 / P
=> f = 1 / 2
=> f = +0.5 m

Since the focal length is positive, the lens is Convex.
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