MCQOPTIONS
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| 1. |
Which of the following properties of an electromagnetic wave will change when it passes through a piece of glass?(i) Speed(ii) Frequency(iii) Wavelength |
| A. | (i) only |
| B. | (ii) only |
| C. | (i), (ii) and (iii) |
| D. | (i) and (iii) only |
| Answer» E. | |