what is meant by power of lens? write its SI unit. a student uses a lens of focal length 40 cm and another of -20 CM. write the nature of and power of each lens.
Answers
Answered by
4
The reciprocal of focal length is power of lens
The S.I unit is dioptre..
The S.I unit is dioptre..
Assuassu:
pgli
What r u doing?
Has
Hai.....
oiii
sandhya pgli cute uhh
What??
cute girl uh are
U already said this.....tq so much..what r u doing
Hello......r u there
Similar questions