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Q. |
When cathode rays strike a target of high atomic weight, they give rise to – |
A. | α -rays |
B. | β and γ rays |
C. | X-rays |
D. | positive rays |
Answer» C. X-rays | |
Explanation: When cathode rays strike a solid target of high atomic weight and high melting point such as tungsten, molybdenum, etc, they give rise to a highly pen-etrating radiation called the X-rays (LIT Physics by Dr. P.K Aganval). |
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