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| Q. |
In the absence of ozone layer, Which rays will enter into atmosphere? |
| A. | Infrared |
| B. | Visible |
| C. | Ultraviolet |
| D. | X-rays |
| Answer» C. Ultraviolet | |
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Explanation: The ozone layer is a layer in Earth's atmosphere containing relatively high concentrations of ozone (O3). The ozone layer absorbs 97-99% of the Sun's medium-frequency ultraviolet light (from about 200 nm to 315 nm wavelength), which potentially damages exposed life forms on Earth. |
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