A magnetic field can be produced by:

1.  a moving charge

2.  a changing electric field

3.  none of them

4.  both of them

Subtopic:  Generation of EM Waves |
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Electromagnetic waves are produced by:
1. a static charge
2. a moving charge
3. an accelerating charge
4. chargeless particles

Subtopic:  Generation of EM Waves |
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A plane electromagnetic wave is incident on a material surface. The wave delivers momentum \(p\) and energy \(E.\) Then:

1. \(p=0, E \neq0\)
2. \(p\neq0, E=0\)
3. \(p\neq0, E \neq0\)
4. \(p=0, E=0\)
Subtopic:  Generation of EM Waves |
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The energy contained in a small volume through which an electromagnetic wave is passing oscillates with

(a) zero frequency
(b) the frequency of the wave
(c) half the frequency of the wave
(d) double the frequency of the wave

Choose the correct option 

1. (a), (b) 

2. (b), (c) 

3. (c), (b)

4. (d) only

Subtopic:  Generation of EM Waves |
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