Focal length for Concave mirror
a)positive
b)negative
c)infinity
d)cannot be predicted
This is the simple question for today.Although its looking like a simple question there is lot of confusion in the students about this question.Lets discuss this first.
a)positive
b)negative
c)infinity
d)cannot be predicted
This is the simple question for today.Although its looking like a simple question there is lot of confusion in the students about this question.Lets discuss this first.
2 comments:
Positive
Good one.But most of the books will write focal length as negative.for mirrors and Geomatrical Optics its better to refer Resnic & Haliday,I gave the link for downlaod the torrent version of Resnic and Halliday also.just Refer my prevoius posts.
Post a Comment