Q87: UPPSC Prelims 2021 GS-I | Which of the following types of glass can cut off ultraviole… | UnlockIAS | UnlockIAS

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State PSC PYQ
UPPSC
Prelims
2021
Q87

UPPSC Prelims 2021GS-IQ. 87 of 222

Q. 871 markMedium

UPPSC Prelims 2021·GS-I

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

(a)Soda glass

(b)Pyrex glass

(c)Jena glass

(d)Crookes glass

Q87 Back to 2021 Prelims Q88

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