Assertion (A): A secondary rainbow has all the colours of the primary rainbow but is inverted.
Reason (R): The secondary rainbow is formed by a single total internal reflection.

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Both A and R are true, and R is the correct explanation of A.

Both A and R are true, and R is not the correct explanation of A.

A is true, but R is false.

A is false, but R is true.

answer is C.

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Detailed Solution

In a secondary rainbow, the order of colors is reversed, with red on the inner edge and violet on the outer edge. This reversal of colors occurs because the light that creates a secondary rainbow undergoes two internal reflections within the water droplets, which causes a more complex dispersion of light.

The secondary rainbow is also typically fainter than the primary rainbow due to the additional reflections and is located at a larger angle (about 50-53 degrees) from the anti-solar point, which is the point in the sky directly opposite the sun.

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