One surface of a lens is convex and the other is concave. If the radii of curvature are $r_{1}$ and $r_{2}$ respectively, then the lens will be convex if

Q. For the following reactions, the correct reaction rates

r_{1}, r_{2}, r_{1}^{'}

r_{2}^{'}

is:

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If R1 and R2 are the radii of curvature of a doubleconvex lens. The largest power will be for

The correct option is D R1= 5 cm, R2= 5 cmUsing lens maker's formula, the power of a lens is given by:p=(μ−1)(1R1+1R2)Thus, the power will be maximum for the combination that maximises this relation.

If $R_{1}$ and $R_{2}$ are the radii of curvature of a doubleconvex lens. The largest power will be for

The correct option is D $R_{1} =$ 5 cm, $R_{2} =$ 5 cm
Using lens maker's formula, the power of a lens is given by:
$p = (μ - 1) (\frac{1}{R_{1}} + \frac{1}{R_{2}})$
Thus, the power will be maximum for the combination that maximises this relation.