The electric field of an electromagnetic wave in free space is given by 
where
and
are in seconds and metres respectively. It can be inferred that
(1) the wavelength
is 188.4 
(2) the wave number
is 0.33 
(3) the wave amplitude is 10 
(4) the wave is propagating along
direction.
Which one of the following pairs of statements is correct?
Text Solution
Verified by ExpertsThe correct answer is:
D
As given
(i)
Comparing it with standard equation of e.m. wave,
(ii)
Amplitude
and 

or
)
Also,
or 
The wave is propagating along
direction.
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