Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

How to know that the given focal length/dictance is positive or negative
Asked by | 24 Feb, 2008, 11:30: AM
Expert Answer

How to know that the given focal length/dictance is positive or negative.

It will give in the question that the mirror is concave/convex or lens is convex/concave.

The focal length of Concave mirror/Concave lens is negative while the focal length of convex mirror/convex lens is positive as per the New Sign Cartesian convention.

Rgds

Physics Expert

Answered by | 07 Dec, 2017, 03:48: PM
CBSE 10 - Physics
Asked by vpitliya42 | 21 Nov, 2022, 01:21: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by priyankakiran2017 | 21 Jun, 2022, 08:44: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by aarjugodara2 | 18 Jun, 2022, 04:36: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by priyankakiran2017 | 15 Jun, 2022, 03:26: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by officialnishantyadavji | 13 Jun, 2022, 01:09: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by madhvyerge | 10 Aug, 2021, 03:26: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by anusuyasoni0212 | 09 Jul, 2021, 05:08: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by singhnathawat6 | 25 May, 2021, 11:39: AM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by shubhankarmishar7 | 15 May, 2021, 08:58: PM
ANSWERED BY EXPERT
Get FREE Sample Mock Papers for Final Exams
Download Now
×