Physics, asked by jaivardini, 8 months ago

Doctor advised to use 2Dlens. what is the focal length of lens . and plz say that it is plus or minus

Answers

Answered by hdthebest95

1

Hola mate here is your answer!

Solution:

If you have short sightedness then lens is Convex and Focal length is positive

If you have long sightedness then lens is Concave and Focal length is Negative

Hope it helps!

Previous Question

Next Question

Similar questions

India Languages, 3 months ago

ਭਗਤ ਪੂਰਨ ਸਿੰਘ ਜੀ ਕਿਹੜੀ ਲਹਿਰ ਤੋਂ ਪ੍ਰਭਾਵਤ ਸਨ ?

Social Sciences, 3 months ago

to and false question 1. media provide a forum where and opinion are expressed on various issues...

Math, 3 months ago

x^3+y^3+z^3 =_________if ( x + y + z = 0)...

Biology, 8 months ago

Q.How will you take care of animals while raising them? (its urgent please help)...

Math, 8 months ago

$$\begin{lgathered}\mathbb{PROVE \: \: QUESTION} \\ \\ \longrightarrow \rm \cos^{2} x + \cos ^{2} \bigg\{ x + \dfrac{\pi}{3} \bigg\} + \cos^{2} \bigg\{ x - \dfrac{\pi}{3} \bigg \} = \dfrac{3}{2} \ \textless \ br /\ \textgreater \ \\ \\ \ \textless \ br /\ \textgreater \ \mathbb{NOTE \: IRRELEVANT \: ANSWER \: WILL \: BE \: REPORTED}\end{lgathered}$$ ...

English, 11 months ago

The poem Govinda s Disciple . What the poet want to convey...

English, 11 months ago

Who is the who is the writer of adventures of the sherlock holmes?

Biology, 11 months ago

What will happen if animal cell is kept in distilled water?