Electromagnetic Waves
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PHXI15:WAVES

358899 The elecric field part of an electromagnetic wave in a medium is represented by \(E_{X}=0\);
\({E_y} = 2.5\frac{N}{C}\cos \left[ {\left( {2\pi \times {{10}^6}\frac{{rad}}{m}} \right)t} \right.\)
\(\left. { - \left( {\pi \times {{10}^{ - 2}}\frac{{rad}}{s}} \right)x} \right];\quad {E_z} = 0.{\rm{ The wave is }}\)

1 Moving along-\(x\)-direction with frequency \({10^6}HZ\) and wavelength \(100\;m\)
2 Moving along \(y\)-direction with frequency \(2\pi \times {10^6}HZ\) and wavelength \(200\;m\)
3 Moving along \(x\)-direction with frequency \({10^6}HZ\) and wavelength \(200\;m\)
4 Moving along \(x\)-direction with frequency \({10^6}HZ\) and wavelength \(300\;m\)
PHXI15:WAVES

358900 The electric field part of an electromagnetic wave in vacuum is,
\({E}=3.1 \cos \left[(1.8) {y}+\left(5.4 \times 10^{8}\right) {t}\right] \hat{{i}} \dfrac{{N}}{{C}}\)
What is the wavelength of this part of electromagnetic wave?

1 \(3.49\,m\)
2 \(5.62\,m\)
3 \(1.78\,m\)
4 \(7.54\,m\)
PHXI15:WAVES

358901 A standing em wave frequency \(2.2 \times {10^{10}}\;Hz\) is produced in a certain material and two adjacent nodal planes of magnetic field are \(3.5\;mm\) apart. Find speed of wave in this material.

1 \(1.79 \times {10^8}\;m{s^{ - 1}}\)
2 \(3.08 \times {10^8}\;m{s^{ - 1}}\)
3 \(2.81 \times {10^8}\;m{s^{ - 1}}\)
4 \(1.54 \times {10^8}\;m{s^{ - 1}}\)
PHXI15:WAVES

358902 An electromagnetic wave, going through vacuum is described by \(E=E_{0} \sin (k x-\omega t)\).
Which of the following is independent of wavelength?

1 \(k \omega\)
2 \(k\)
3 \(k / \omega\)
4 \(\omega\)
KCET - 2010
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PHXI15:WAVES

358899 The elecric field part of an electromagnetic wave in a medium is represented by \(E_{X}=0\);
\({E_y} = 2.5\frac{N}{C}\cos \left[ {\left( {2\pi \times {{10}^6}\frac{{rad}}{m}} \right)t} \right.\)
\(\left. { - \left( {\pi \times {{10}^{ - 2}}\frac{{rad}}{s}} \right)x} \right];\quad {E_z} = 0.{\rm{ The wave is }}\)

1 Moving along-\(x\)-direction with frequency \({10^6}HZ\) and wavelength \(100\;m\)
2 Moving along \(y\)-direction with frequency \(2\pi \times {10^6}HZ\) and wavelength \(200\;m\)
3 Moving along \(x\)-direction with frequency \({10^6}HZ\) and wavelength \(200\;m\)
4 Moving along \(x\)-direction with frequency \({10^6}HZ\) and wavelength \(300\;m\)
PHXI15:WAVES

358900 The electric field part of an electromagnetic wave in vacuum is,
\({E}=3.1 \cos \left[(1.8) {y}+\left(5.4 \times 10^{8}\right) {t}\right] \hat{{i}} \dfrac{{N}}{{C}}\)
What is the wavelength of this part of electromagnetic wave?

1 \(3.49\,m\)
2 \(5.62\,m\)
3 \(1.78\,m\)
4 \(7.54\,m\)
PHXI15:WAVES

358901 A standing em wave frequency \(2.2 \times {10^{10}}\;Hz\) is produced in a certain material and two adjacent nodal planes of magnetic field are \(3.5\;mm\) apart. Find speed of wave in this material.

1 \(1.79 \times {10^8}\;m{s^{ - 1}}\)
2 \(3.08 \times {10^8}\;m{s^{ - 1}}\)
3 \(2.81 \times {10^8}\;m{s^{ - 1}}\)
4 \(1.54 \times {10^8}\;m{s^{ - 1}}\)
PHXI15:WAVES

358902 An electromagnetic wave, going through vacuum is described by \(E=E_{0} \sin (k x-\omega t)\).
Which of the following is independent of wavelength?

1 \(k \omega\)
2 \(k\)
3 \(k / \omega\)
4 \(\omega\)
KCET - 2010
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PHXI15:WAVES

358899 The elecric field part of an electromagnetic wave in a medium is represented by \(E_{X}=0\);
\({E_y} = 2.5\frac{N}{C}\cos \left[ {\left( {2\pi \times {{10}^6}\frac{{rad}}{m}} \right)t} \right.\)
\(\left. { - \left( {\pi \times {{10}^{ - 2}}\frac{{rad}}{s}} \right)x} \right];\quad {E_z} = 0.{\rm{ The wave is }}\)

1 Moving along-\(x\)-direction with frequency \({10^6}HZ\) and wavelength \(100\;m\)
2 Moving along \(y\)-direction with frequency \(2\pi \times {10^6}HZ\) and wavelength \(200\;m\)
3 Moving along \(x\)-direction with frequency \({10^6}HZ\) and wavelength \(200\;m\)
4 Moving along \(x\)-direction with frequency \({10^6}HZ\) and wavelength \(300\;m\)
PHXI15:WAVES

358900 The electric field part of an electromagnetic wave in vacuum is,
\({E}=3.1 \cos \left[(1.8) {y}+\left(5.4 \times 10^{8}\right) {t}\right] \hat{{i}} \dfrac{{N}}{{C}}\)
What is the wavelength of this part of electromagnetic wave?

1 \(3.49\,m\)
2 \(5.62\,m\)
3 \(1.78\,m\)
4 \(7.54\,m\)
PHXI15:WAVES

358901 A standing em wave frequency \(2.2 \times {10^{10}}\;Hz\) is produced in a certain material and two adjacent nodal planes of magnetic field are \(3.5\;mm\) apart. Find speed of wave in this material.

1 \(1.79 \times {10^8}\;m{s^{ - 1}}\)
2 \(3.08 \times {10^8}\;m{s^{ - 1}}\)
3 \(2.81 \times {10^8}\;m{s^{ - 1}}\)
4 \(1.54 \times {10^8}\;m{s^{ - 1}}\)
PHXI15:WAVES

358902 An electromagnetic wave, going through vacuum is described by \(E=E_{0} \sin (k x-\omega t)\).
Which of the following is independent of wavelength?

1 \(k \omega\)
2 \(k\)
3 \(k / \omega\)
4 \(\omega\)
KCET - 2010
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PHXI15:WAVES

358899 The elecric field part of an electromagnetic wave in a medium is represented by \(E_{X}=0\);
\({E_y} = 2.5\frac{N}{C}\cos \left[ {\left( {2\pi \times {{10}^6}\frac{{rad}}{m}} \right)t} \right.\)
\(\left. { - \left( {\pi \times {{10}^{ - 2}}\frac{{rad}}{s}} \right)x} \right];\quad {E_z} = 0.{\rm{ The wave is }}\)

1 Moving along-\(x\)-direction with frequency \({10^6}HZ\) and wavelength \(100\;m\)
2 Moving along \(y\)-direction with frequency \(2\pi \times {10^6}HZ\) and wavelength \(200\;m\)
3 Moving along \(x\)-direction with frequency \({10^6}HZ\) and wavelength \(200\;m\)
4 Moving along \(x\)-direction with frequency \({10^6}HZ\) and wavelength \(300\;m\)
PHXI15:WAVES

358900 The electric field part of an electromagnetic wave in vacuum is,
\({E}=3.1 \cos \left[(1.8) {y}+\left(5.4 \times 10^{8}\right) {t}\right] \hat{{i}} \dfrac{{N}}{{C}}\)
What is the wavelength of this part of electromagnetic wave?

1 \(3.49\,m\)
2 \(5.62\,m\)
3 \(1.78\,m\)
4 \(7.54\,m\)
PHXI15:WAVES

358901 A standing em wave frequency \(2.2 \times {10^{10}}\;Hz\) is produced in a certain material and two adjacent nodal planes of magnetic field are \(3.5\;mm\) apart. Find speed of wave in this material.

1 \(1.79 \times {10^8}\;m{s^{ - 1}}\)
2 \(3.08 \times {10^8}\;m{s^{ - 1}}\)
3 \(2.81 \times {10^8}\;m{s^{ - 1}}\)
4 \(1.54 \times {10^8}\;m{s^{ - 1}}\)
PHXI15:WAVES

358902 An electromagnetic wave, going through vacuum is described by \(E=E_{0} \sin (k x-\omega t)\).
Which of the following is independent of wavelength?

1 \(k \omega\)
2 \(k\)
3 \(k / \omega\)
4 \(\omega\)
KCET - 2010
For More Updates join with Us