Archive
27th of March 2017
Physics
Q:

If the numerical value of focal length of the corrective lens is 5 m, find the power of the lens as per the new cartesian sign conventions ?

Vikas Mahajan - CBSE - Class IX

Monday, March 27, 2017 at 17:46:PM

A:

begin mathsize 12px style Hi space Vikas comma
Power space of space straight a space lens space is
straight P equals 1 over straight f equals 1 fifth equals 0.2 space straight D end style

Monday, March 27, 2017 at 18:28:PM