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" 3.Why are mirrors used in search light...

" 3.Why are mirrors used in search lights parabolic and not concave spherical ? "

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Why are mirrors used in search lights parabolic and not concave sphrical ?

Why are mirrors used in search lights parabolic and not concave sphrical ?

Why are mirrors used in search lights parabolic and not concave sphrical ?

Why are mirror is uded in search ligths parabolic and not concave spherical?

Why the mirrors used in search lights are parabolic, not concave spherical?

The mirror used in search lights is

Assertion : The mirrorrs used in search lights are parabolic and not concave spherical. Reason : In a concave spherical mirrorr the image formed is always virtual.

Assertion : The mirrorrs used in search lights are parabolic and not concave spherical. Reason : In a concave spherical mirrorr the image formed is always virtual.