Competitive Exams ...
Questions and Answers
Question :
6919.

is a photon a specific unit of measurement of light? Has it been decided if light is a particle or a wave? Why? ?

One Word can change your time ....
desultory
aimless; haphazard; digressing at random
In prison Malcolm X set himself the task of reading straight through the dictionary; to him reading was purposeful, not desultory.
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