Question

Describe effect of light intensity on the rate of photochemical reaction

Answer 1

As light intensity increases (distance between lamp and plant decreases) the volume of oxygen (or the rate of bubble production) increases. This indicates that the rate of photosynthesis increases with light intensity. However, at sufficiently high levels of light intensity, the rate oxygen evolution remains constant.

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Answer 2

Some substances r stored in dark colored bottles as they r photosensitive. They get decomposed soon as the sun light falls on them and this is called photochemical reaction.

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