v22...

v22

`6.4 xx 10^(3)` W

`3.4 xx 10^(4)` W

`1.6 xx 10^(5)` W

`3.2 xx10^(5)` W

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The correct Answer is:

`phi` = PA

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NARAYNA-ELECTROMAGNETIC WAVES -EXERCISE -1(H.W)

The voltage between the plates of a parallel plate condenser of capaci...
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A parallel plate condenser of capacity 10 muF is charged with a consta...
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A parallel plate capacitor of plate separation 2 mm is connected in an...
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The graph representing the variation of induced magnetic field in the ...
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The electrical field in the gap of a condenser charges as 10^(12)Vm^(-...
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An LC current contains inductance L=1mu H and capacitance C=0.01 muF. ...
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The wave length of the Green light of mercury is 550 nm. If the refrac...
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The all India Radio, station at Vijayawada transmits its signals at 84...
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A point source of electromagnetic radiation has an average power outpu...
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A plane E.M. wave of frequency 40 MHz travels along X-axis. At same po...
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A plane electromagnetic wave of frequency 25 Mhz travels in free space...
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An electruc field of 300V//m is confined to a circular area 10 cm in d...
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A lamp emits monochromatic green light uniformly in all directions. Th...
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Light with energy flux 36w//cm^(2) is incident on a well polished meta...
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The rms value of the electric field of the light from the sun is 720 N...
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In an electromagnetic wave, the amplitude of electric firld is 1 V/m. ...
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About 5% of the power of a 100W bulb is converted to visible radiation...
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The sun radiates electromagnetic energy at the rate of 3.9xx10^(26)W. ...
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The intensity of TV broad cast station of E=800sin(10^(9)t-kx) V//M is...
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v22
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