Electromagnetic Waves
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PHXI15:WAVES

358933 The electric field associated with an electromagnetic wave in vacuum is given by \(\overrightarrow E = \hat i40\cos \left( {kz - 6 \times {{10}^8}t} \right)\), where \(E, z\) and \(t\) are in volt \(/m\), metre and second respectively. The value of wave vector \(k\) is

1 \(2 m^{-1}\)
2 \(6 m^{-1}\)
3 \(3 m^{-1}\)
4 \(0.5 m^{-1}\)
NEET
PHXI15:WAVES

358934 If frequency of an electromagnetic wave is \(60\,M\,Hz\) and it travels in air along \(z\) direction then the corresponding electric and magnetic field vectors will be mutually perpendicular to each other and the wavelength of the wave \(({\rm{in}}\,\,m)\) is

1 10
2 2.5
3 5
4 2
JEE - 2024
PHXI15:WAVES

358935 In a free space, electron is placed in the path of a
plane electromagnetic wave, it will start moving along

1 centre of earth
2 equator of earth
3 magnetic field
4 electric field
PHXI15:WAVES

358936 Which of the following is not a property of light?

1 It requires a material medium for propagation.
2 It can travel through vacuum.
3 It involves transportation of energy.
4 It has finite speed.
PHXI15:WAVES

358937 A plane electromagnetic wave of frequency 40 \(MHz\) travels in free space in the \(X\)-direction. At some point instant, the electric field \(\overrightarrow E \) has its maximum value of \(750\;N/C\) in \(Y\)-direction. The wavelength of the wave is-

1 \(5.5\;m\)
2 \(9.5\;m\)
3 \(7.5\;m\)
4 \(3.5\;m\)
NEET DIGITAL LIBRARY
PHXI15:WAVES

358933 The electric field associated with an electromagnetic wave in vacuum is given by \(\overrightarrow E = \hat i40\cos \left( {kz - 6 \times {{10}^8}t} \right)\), where \(E, z\) and \(t\) are in volt \(/m\), metre and second respectively. The value of wave vector \(k\) is

1 \(2 m^{-1}\)
2 \(6 m^{-1}\)
3 \(3 m^{-1}\)
4 \(0.5 m^{-1}\)
NEET
PHXI15:WAVES

358934 If frequency of an electromagnetic wave is \(60\,M\,Hz\) and it travels in air along \(z\) direction then the corresponding electric and magnetic field vectors will be mutually perpendicular to each other and the wavelength of the wave \(({\rm{in}}\,\,m)\) is

1 10
2 2.5
3 5
4 2
JEE - 2024
PHXI15:WAVES

358935 In a free space, electron is placed in the path of a
plane electromagnetic wave, it will start moving along

1 centre of earth
2 equator of earth
3 magnetic field
4 electric field
PHXI15:WAVES

358936 Which of the following is not a property of light?

1 It requires a material medium for propagation.
2 It can travel through vacuum.
3 It involves transportation of energy.
4 It has finite speed.
PHXI15:WAVES

358937 A plane electromagnetic wave of frequency 40 \(MHz\) travels in free space in the \(X\)-direction. At some point instant, the electric field \(\overrightarrow E \) has its maximum value of \(750\;N/C\) in \(Y\)-direction. The wavelength of the wave is-

1 \(5.5\;m\)
2 \(9.5\;m\)
3 \(7.5\;m\)
4 \(3.5\;m\)
Join With Us for More Updates
PHXI15:WAVES

358933 The electric field associated with an electromagnetic wave in vacuum is given by \(\overrightarrow E = \hat i40\cos \left( {kz - 6 \times {{10}^8}t} \right)\), where \(E, z\) and \(t\) are in volt \(/m\), metre and second respectively. The value of wave vector \(k\) is

1 \(2 m^{-1}\)
2 \(6 m^{-1}\)
3 \(3 m^{-1}\)
4 \(0.5 m^{-1}\)
NEET
PHXI15:WAVES

358934 If frequency of an electromagnetic wave is \(60\,M\,Hz\) and it travels in air along \(z\) direction then the corresponding electric and magnetic field vectors will be mutually perpendicular to each other and the wavelength of the wave \(({\rm{in}}\,\,m)\) is

1 10
2 2.5
3 5
4 2
JEE - 2024
PHXI15:WAVES

358935 In a free space, electron is placed in the path of a
plane electromagnetic wave, it will start moving along

1 centre of earth
2 equator of earth
3 magnetic field
4 electric field
PHXI15:WAVES

358936 Which of the following is not a property of light?

1 It requires a material medium for propagation.
2 It can travel through vacuum.
3 It involves transportation of energy.
4 It has finite speed.
PHXI15:WAVES

358937 A plane electromagnetic wave of frequency 40 \(MHz\) travels in free space in the \(X\)-direction. At some point instant, the electric field \(\overrightarrow E \) has its maximum value of \(750\;N/C\) in \(Y\)-direction. The wavelength of the wave is-

1 \(5.5\;m\)
2 \(9.5\;m\)
3 \(7.5\;m\)
4 \(3.5\;m\)
For More Updates join with Us
PHXI15:WAVES

358933 The electric field associated with an electromagnetic wave in vacuum is given by \(\overrightarrow E = \hat i40\cos \left( {kz - 6 \times {{10}^8}t} \right)\), where \(E, z\) and \(t\) are in volt \(/m\), metre and second respectively. The value of wave vector \(k\) is

1 \(2 m^{-1}\)
2 \(6 m^{-1}\)
3 \(3 m^{-1}\)
4 \(0.5 m^{-1}\)
NEET
PHXI15:WAVES

358934 If frequency of an electromagnetic wave is \(60\,M\,Hz\) and it travels in air along \(z\) direction then the corresponding electric and magnetic field vectors will be mutually perpendicular to each other and the wavelength of the wave \(({\rm{in}}\,\,m)\) is

1 10
2 2.5
3 5
4 2
JEE - 2024
PHXI15:WAVES

358935 In a free space, electron is placed in the path of a
plane electromagnetic wave, it will start moving along

1 centre of earth
2 equator of earth
3 magnetic field
4 electric field
PHXI15:WAVES

358936 Which of the following is not a property of light?

1 It requires a material medium for propagation.
2 It can travel through vacuum.
3 It involves transportation of energy.
4 It has finite speed.
PHXI15:WAVES

358937 A plane electromagnetic wave of frequency 40 \(MHz\) travels in free space in the \(X\)-direction. At some point instant, the electric field \(\overrightarrow E \) has its maximum value of \(750\;N/C\) in \(Y\)-direction. The wavelength of the wave is-

1 \(5.5\;m\)
2 \(9.5\;m\)
3 \(7.5\;m\)
4 \(3.5\;m\)
NEET DIGITAL LIBRARY
PHXI15:WAVES

358933 The electric field associated with an electromagnetic wave in vacuum is given by \(\overrightarrow E = \hat i40\cos \left( {kz - 6 \times {{10}^8}t} \right)\), where \(E, z\) and \(t\) are in volt \(/m\), metre and second respectively. The value of wave vector \(k\) is

1 \(2 m^{-1}\)
2 \(6 m^{-1}\)
3 \(3 m^{-1}\)
4 \(0.5 m^{-1}\)
NEET
PHXI15:WAVES

358934 If frequency of an electromagnetic wave is \(60\,M\,Hz\) and it travels in air along \(z\) direction then the corresponding electric and magnetic field vectors will be mutually perpendicular to each other and the wavelength of the wave \(({\rm{in}}\,\,m)\) is

1 10
2 2.5
3 5
4 2
JEE - 2024
PHXI15:WAVES

358935 In a free space, electron is placed in the path of a
plane electromagnetic wave, it will start moving along

1 centre of earth
2 equator of earth
3 magnetic field
4 electric field
PHXI15:WAVES

358936 Which of the following is not a property of light?

1 It requires a material medium for propagation.
2 It can travel through vacuum.
3 It involves transportation of energy.
4 It has finite speed.
PHXI15:WAVES

358937 A plane electromagnetic wave of frequency 40 \(MHz\) travels in free space in the \(X\)-direction. At some point instant, the electric field \(\overrightarrow E \) has its maximum value of \(750\;N/C\) in \(Y\)-direction. The wavelength of the wave is-

1 \(5.5\;m\)
2 \(9.5\;m\)
3 \(7.5\;m\)
4 \(3.5\;m\)