Correct option is A
Option (a) is the
incorrectly spelt word.
Correct spelling is: “
Fluorescence” – the emission of light by a substance that has absorbed light or other electromagnetic radiation. (दीप्ति, प्रकाश उत्सर्जन)
Example: The tube light emits a bluish
fluorescence in the dark.
Part of Speech: Noun
Meanings of all the given options:
· (a)
Fluorecence ❌ – Incorrect spelling of fluorescence.
· (b)
Forebear – An ancestor. (पूर्वज)
· (c)
Forgo – To give up or do without. (त्यागना)
· (d)
Flounder – To struggle clumsily. (संघर्ष करना)