Electromagnetic Waves
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PHXI15:WAVES

358912 For plane electromagnetic waves propagating in the \(z\)-direction, which one of the following combination gives the correct possible direction for \(\overrightarrow E \) and \(\overrightarrow B \) field respectively?

1 \((2 \hat{i}+3 \hat{j})\) and \((\hat{i}+2 \hat{j})\)
2 \((-2 \hat{i}-3 \hat{j})\) and \((3 \hat{i}-2 \hat{j})\)
3 \((3 \hat{i}+4 \hat{j})\) and \((4 \hat{i}-3 \hat{j})\)
4 \((\hat{i}+2 \hat{j})\) and \((2 \hat{i}-\hat{j})\)
JEE - 2015
PHXI15:WAVES

358913 A plane electromagnetic wave travelling along the \(x\)-direction has a wavelength of \(3\;mm\). The variation in the electric field occurs in the \(y\) direction with an amplitude \(66\,V{m^{ - 1}}\). The equation for the electric and magnetic fields as a function of \(x\) and \(t\) are respectively

1 \(E_{y}=11 \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=11 \times 10^{-7} \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
2 \(E_{x}=33 \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=11 \times 10^{-7} \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
3 \(E_{y}=33 \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=1.1 \times 10^{-7} \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
4 \(E_{y}=66 \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=2.2 \times 10^{-7} \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
PHXI15:WAVES

358914 An electromagnetic wave travels along \(z\)-axis. Which of the following pairs of space and time varying fields would generate such wave?

1 \({E_x},{B_y}\)
2 \(E_{y}, B_{x}\)
3 \(E_{y}, B_{z}\)
4 \({E_z},\;{B_x}\)
PHXI15:WAVES

358915 Statement A :
Electromagnetic waves are transverse in nature.
Statement B :
The electric and magnetic fields in electromagnetic waves are perpendicular to each other and the direction of propagation.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
NEET DIGITAL LIBRARY
PHXI15:WAVES

358912 For plane electromagnetic waves propagating in the \(z\)-direction, which one of the following combination gives the correct possible direction for \(\overrightarrow E \) and \(\overrightarrow B \) field respectively?

1 \((2 \hat{i}+3 \hat{j})\) and \((\hat{i}+2 \hat{j})\)
2 \((-2 \hat{i}-3 \hat{j})\) and \((3 \hat{i}-2 \hat{j})\)
3 \((3 \hat{i}+4 \hat{j})\) and \((4 \hat{i}-3 \hat{j})\)
4 \((\hat{i}+2 \hat{j})\) and \((2 \hat{i}-\hat{j})\)
JEE - 2015
PHXI15:WAVES

358913 A plane electromagnetic wave travelling along the \(x\)-direction has a wavelength of \(3\;mm\). The variation in the electric field occurs in the \(y\) direction with an amplitude \(66\,V{m^{ - 1}}\). The equation for the electric and magnetic fields as a function of \(x\) and \(t\) are respectively

1 \(E_{y}=11 \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=11 \times 10^{-7} \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
2 \(E_{x}=33 \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=11 \times 10^{-7} \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
3 \(E_{y}=33 \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=1.1 \times 10^{-7} \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
4 \(E_{y}=66 \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=2.2 \times 10^{-7} \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
PHXI15:WAVES

358914 An electromagnetic wave travels along \(z\)-axis. Which of the following pairs of space and time varying fields would generate such wave?

1 \({E_x},{B_y}\)
2 \(E_{y}, B_{x}\)
3 \(E_{y}, B_{z}\)
4 \({E_z},\;{B_x}\)
PHXI15:WAVES

358915 Statement A :
Electromagnetic waves are transverse in nature.
Statement B :
The electric and magnetic fields in electromagnetic waves are perpendicular to each other and the direction of propagation.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
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PHXI15:WAVES

358912 For plane electromagnetic waves propagating in the \(z\)-direction, which one of the following combination gives the correct possible direction for \(\overrightarrow E \) and \(\overrightarrow B \) field respectively?

1 \((2 \hat{i}+3 \hat{j})\) and \((\hat{i}+2 \hat{j})\)
2 \((-2 \hat{i}-3 \hat{j})\) and \((3 \hat{i}-2 \hat{j})\)
3 \((3 \hat{i}+4 \hat{j})\) and \((4 \hat{i}-3 \hat{j})\)
4 \((\hat{i}+2 \hat{j})\) and \((2 \hat{i}-\hat{j})\)
JEE - 2015
PHXI15:WAVES

358913 A plane electromagnetic wave travelling along the \(x\)-direction has a wavelength of \(3\;mm\). The variation in the electric field occurs in the \(y\) direction with an amplitude \(66\,V{m^{ - 1}}\). The equation for the electric and magnetic fields as a function of \(x\) and \(t\) are respectively

1 \(E_{y}=11 \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=11 \times 10^{-7} \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
2 \(E_{x}=33 \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=11 \times 10^{-7} \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
3 \(E_{y}=33 \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=1.1 \times 10^{-7} \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
4 \(E_{y}=66 \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=2.2 \times 10^{-7} \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
PHXI15:WAVES

358914 An electromagnetic wave travels along \(z\)-axis. Which of the following pairs of space and time varying fields would generate such wave?

1 \({E_x},{B_y}\)
2 \(E_{y}, B_{x}\)
3 \(E_{y}, B_{z}\)
4 \({E_z},\;{B_x}\)
PHXI15:WAVES

358915 Statement A :
Electromagnetic waves are transverse in nature.
Statement B :
The electric and magnetic fields in electromagnetic waves are perpendicular to each other and the direction of propagation.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI15:WAVES

358912 For plane electromagnetic waves propagating in the \(z\)-direction, which one of the following combination gives the correct possible direction for \(\overrightarrow E \) and \(\overrightarrow B \) field respectively?

1 \((2 \hat{i}+3 \hat{j})\) and \((\hat{i}+2 \hat{j})\)
2 \((-2 \hat{i}-3 \hat{j})\) and \((3 \hat{i}-2 \hat{j})\)
3 \((3 \hat{i}+4 \hat{j})\) and \((4 \hat{i}-3 \hat{j})\)
4 \((\hat{i}+2 \hat{j})\) and \((2 \hat{i}-\hat{j})\)
JEE - 2015
PHXI15:WAVES

358913 A plane electromagnetic wave travelling along the \(x\)-direction has a wavelength of \(3\;mm\). The variation in the electric field occurs in the \(y\) direction with an amplitude \(66\,V{m^{ - 1}}\). The equation for the electric and magnetic fields as a function of \(x\) and \(t\) are respectively

1 \(E_{y}=11 \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=11 \times 10^{-7} \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
2 \(E_{x}=33 \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=11 \times 10^{-7} \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
3 \(E_{y}=33 \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=1.1 \times 10^{-7} \cos \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
4 \(E_{y}=66 \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\) and\(B_{z}=2.2 \times 10^{-7} \cos 2 \pi \times 10^{11}\left(t-\dfrac{x}{c}\right)\)
PHXI15:WAVES

358914 An electromagnetic wave travels along \(z\)-axis. Which of the following pairs of space and time varying fields would generate such wave?

1 \({E_x},{B_y}\)
2 \(E_{y}, B_{x}\)
3 \(E_{y}, B_{z}\)
4 \({E_z},\;{B_x}\)
PHXI15:WAVES

358915 Statement A :
Electromagnetic waves are transverse in nature.
Statement B :
The electric and magnetic fields in electromagnetic waves are perpendicular to each other and the direction of propagation.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
NEET DIGITAL LIBRARY