The focal length of a convex lens depends upon [AFMC 1994] – McqOptions

MCQOPTIONS

1.	The focal length of a convex lens depends upon [AFMC 1994]
A.	Frequency of the light ray
B.	Wavelength of the light ray
C.	Both (a) and (b)
D.	None of these
Answer» C. Both (a) and (b)

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