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When a plane electromagnetic wave enters a glass slab, then which of the following will not change? |
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a) |
Wavelength |
b) |
Frequency |
c) |
Speed |
d) |
Amplitude |
|
When a plane electromagnetic wave enters a glass slab, then which of the following will not change? |
|||||||
|
a) |
Wavelength |
b) |
Frequency |
c) |
Speed |
d) |
Amplitude |