Questions
If a person can sees clearly at a distance of 100 cm, then find the power of lens used to see object at 40 cm,
detailed solution
Correct option is C
Here u = 40, v = -100140-1100=1f5-2100=1ff=2003cmP=3200×100=32=1.5DTalk to our academic expert!
Similar Questions
A convex lens is at a distance of 10 cm from a convex mirror of focal length 10 cm as shown in figure. A beam of light parallel to the principal axis is incident on the tens. After refraction through the lens, reflection at the mirror and again refraction through the lens, the final emergent beam refraces the path of the incident beam then focal length of the lens is
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