Which of the following is electromagnetic in nature ? |
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(a) |
- ray |
(b) |
- ray |
(c) |
- ray |
(d) |
Cathode ray |
Which of the following is electromagnetic in nature ? |
|||||||
(a) |
- ray |
(b) |
- ray |
(c) |
- ray |
(d) |
Cathode ray |