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1) For a concave spherical mirror the distance from the mirror to the focus of the...

1) For a concave spherical mirror the distance from the mirror to the focus of the mirror is:\

-equal to the radius of curvature

-is half the radius of curvature

-is one third the radius of curvature

-is twice the radius of curvature

2) When light goes from one medium into another, the bending is explained by:

-Snell's Law

-Refractive index

-Newton's Law

-Pascal's Law

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