Why does Sun appear slightly oval shaped at morning and evening?

All the above.

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The rays of light from the lower edges of Sun are refracted more.

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The rays of light from upper edge of the sun have to pass maximum thickness.

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Due to unequal bending of light.

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Solution

The correct option is A
All the above.

The rays of light from upper and lower edges of Sun bend unequally. Due to unequal bending of light, the image of Sun appears oval and larger in size.

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Why does Sun appear slightly oval shaped at morning and evening?

The correct option is A All the above. The rays of light from upper and lower edges of Sun bend unequally. Due to unequal bending of light, the image of Sun appears oval and larger in size.

The correct option is A
All the above.

The rays of light from upper and lower edges of Sun bend unequally. Due to unequal bending of light, the image of Sun appears oval and larger in size.