Previous year MCQs

General science UPPSC 2021 GS-I
Question

Which of the following types of glass can cut off ultraviolet rays?

Answer & Solution

Answer: (Detailed Solution Below)

Option D: Crookes glass

Detailed Solution:

The correct answer is “Crookes glass”.
Crookes glass is specifically designed to block ultraviolet (UV) rays. It has been used in laboratory equipment, especially in UV-sensitive applications.

Similar Questions:

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  2. B) Theory of Specific Heats
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  4. D) Bose-Einstein Statistics
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  2. B) Polluted water
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