Due to atmospheric refraction of light,the Su | vedclass

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(C) Atmospheric refraction causes the light from the Sun to bend as it passes through the Earth's atmosphere. When the Sun is slightly below the horiz

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(C) Atmospheric refraction causes the light from the Sun to bend as it passes through the Earth's atmosphere. When the Sun is slightly below the horizon,the light rays from it travel from a rarer medium to a denser medium and bend towards the normal. Due to this bending,the Sun appears to be above the horizon even when it is actually below it. This phenomenon causes the Sun to appear about $2$ minutes earlier than the actual sunrise.

Due to atmospheric refraction of light,the Sun appears to rise $................$ its actual sunrise.

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