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CBSE Class 10 Answered

hello
Asked by mehaksaini | 12 Feb, 2010, 03:10: PM
answered-by-expert Expert Answer

Dear Student

One must use convex lens.

Mangification m= f/(f-u)

u =Object distance  say u=4

with f=30    m=30/26=1.15

f=5===>   m= 5/1=5

So it is better to use A convex lens of focal length 5 cm

Regards

Team

Topperlearning.com

 

Answered by | 13 Feb, 2010, 11:02: AM

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