Question

How long does a radium glows in dark,?

Answer 1

Answer:

Explanation:

The products will demonstrate their glow-in-the-dark characteristics after about 5-10 minutes of light exposure. With about 2 hours of exposure to sunlight they will glow for about 10-12 hours of darkness. Below is a chart that demonstrates the product's typical performance.

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Radium dials usually lose their ability to glow in the dark in a period ranging anywhere from a few years to several decades, but all will cease to glow at some point. A radium dial clock from the 1930s

Answer 2

Explanation:

Radium dials usually lose their ability to glow in the dark in a period ranging anywhere from a few years to several decades, but all will cease to glow at some point. A radium dial clock from the 1930s.

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