Question

You can get sunburn on a cloudy day but you can't get a sunburn even on a sunny day if you are behind glass. explain why

Answer 1

Even on cloudy days, the sun still emits UV light, which penetrates clouds and can result in sunburn.

Step-by-step explanation:

Answer 2

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Sunburn is caused by ultraviolet rays. For ultraviolet rays, clouds are semi transparent, so we can get sunburn even on a cloudy day. However, glass is opaque to UV rays. The rays cannot reach them and so we are protected from sunburn