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Test Your UV Radiation Knowledge

What does "optical radiation" consist of?

Is it possible to get a tan on a cloudy day in the summer when the clouds are not too heavy?

Which radiation is completely blocked by the ozone layer?

Which UV types most help you to tan?

If there were a difference between UV radiation from the sun and from tanning equipment, what would that difference be?

Indicate which type of radiation is biologically strongest

The solar radiation which reaches the earth contains:

Solar radiation: indicate which expression is correct:

The intensity of UVB radiation from the sun in the afternoon is:

Why is tanning in the sun more risky than with tanning equipment?

Which types of radiation does the sun generate in greater relative quantities than tanning equipment?

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Ultrasun tanning devices