1.

A beam of light converges to a point P. A concave lens of focal length 16 cm is placed in the path of the convergent beam 12 cm from P. How far from the lens does the beam converge?

Answer»

A beam of light converges to a point P. A concave lens of focal length 16 cm is placed in the path of the convergent beam 12 cm from P. How far from the lens does the beam converge?






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