Question

A concave lens is focal lenght 100 cm . Find the value of power of lens​ ____❣️

♠️______Explain me guy's ______♠️​​

Answer 1

Answer:

Correct option is

C

+ 1.0 D

the focal length of converging lens is positive

then power is positive

f=100cm=1m

P=+

f

1

⇒P=

1

1

=+1D

Option C is correct.

here is your answer sweetheart❤️❤️

thanks✌️

take care and be happy☺️☺️

have a lovely day ahead❤️❤️☺️☺️

good afternoon✌️

Answer 2

Answer:

power of the concave lens is -1 Diopters

Explanation:

( diverging)concave lens = -f ( negative focal length)

-f = -100cm = -1 m

P = 1/-f

= 1/-1

P = -1 D

Have a nice day.

Hope its helpful