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Q. |
Which, of the following radiations has the least wavelength? |
A. | X-rays |
B. | a-rays |
C. | g-rays |
D. | b-rays |
Answer» C. g-rays | |
Explanation: X-rays - smaller than 10 nano metre gamma- rays - 0.0005 to 0.1 nano metre alpha-rays - 125 nano metre |
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