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प्रश्न
The frequency of x-rays, y-rays and ultraviolet rays are respectively a, b and c. Then:-
विकल्प
a < b, b > c
a > b, b > c
a > b, b < c
acb, b < c
MCQ
उत्तर
a < b, b > c
Explanation:
The frequency of y-rays is greater than that of x-rays, and that of x-rays is greater than that of ultraviolet rays.
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