Which of the following are the properties of ultraviolet radiations?

They have wavelength in the range of 10 nm to 400 nm.

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They cause fluorescence on Zinc sulphite screen.

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They are invisible to human eyes.

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They have wavelength in the range of 100 nm to 200 nm.

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Solution

The correct options are
A
They have wavelength in the range of 10 nm to 400 nm.

B
They cause fluorescence on Zinc sulphite screen.

C
They are invisible to human eyes.

Ultraviolet radiation is an electromagnetic radiation which is shorter than that of visible light but longer than X-rays.

- They have a wavelength in the range of 10 nm to 400 nm.

- They cause fluorescence on the zinc sulphide screen.

- They are invisible to human eyes.

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