155534 Assertion: The velocity of electromagnetic waves depends on electric and magnetic properties of the medium.
Reason: Velocity of electromagnetic waves in free space is constant.

155535 The oscillating electric field of an electromagnetic wave is given by $E_{y}=30 \sin (2 \times$ $\left.10^{11} t+300 \pi x\right) V^{-1}$. Then, the value of wavelength of the electromagnetic wave is

155536 An electromagnetic wave of frequency $2 \mathrm{MHz}$ propagates from vacuum to a non-magnetic medium of relative permittivity 9. Then its' wavelength

155537 In a plane electromagnetic wave, the electric field oscillates with a frequency $2 \times 10^{10} \mathrm{~S}^{-1}$ and amplitude $40 \mathrm{Vm}^{-1}$, then the energy density due to electric field is
$\left(\varepsilon_{\mathbf{0}}=\mathbf{8 . 8 5} \times \mathbf{1 0}^{-\mathbf{- 1 2}} \mathbf{F m}^{-\mathbf{1}}\right)$

155538 The electric field associated with an electromagnetic wave in vacuum is given by $\overrightarrow{\mathbf{E}}=\hat{\mathbf{i}} 40 \cos \left(k z-6 \times 10^{8} \mathrm{t}\right)$, where $E, z$ and $t$ are volt $/ \mathrm{m}$, metre and second respectively. The value of wave vector $k$ is

155534 Assertion: The velocity of electromagnetic waves depends on electric and magnetic properties of the medium.
Reason: Velocity of electromagnetic waves in free space is constant.

155535 The oscillating electric field of an electromagnetic wave is given by $E_{y}=30 \sin (2 \times$ $\left.10^{11} t+300 \pi x\right) V^{-1}$. Then, the value of wavelength of the electromagnetic wave is

155536 An electromagnetic wave of frequency $2 \mathrm{MHz}$ propagates from vacuum to a non-magnetic medium of relative permittivity 9. Then its' wavelength

155537 In a plane electromagnetic wave, the electric field oscillates with a frequency $2 \times 10^{10} \mathrm{~S}^{-1}$ and amplitude $40 \mathrm{Vm}^{-1}$, then the energy density due to electric field is
$\left(\varepsilon_{\mathbf{0}}=\mathbf{8 . 8 5} \times \mathbf{1 0}^{-\mathbf{- 1 2}} \mathbf{F m}^{-\mathbf{1}}\right)$

155538 The electric field associated with an electromagnetic wave in vacuum is given by $\overrightarrow{\mathbf{E}}=\hat{\mathbf{i}} 40 \cos \left(k z-6 \times 10^{8} \mathrm{t}\right)$, where $E, z$ and $t$ are volt $/ \mathrm{m}$, metre and second respectively. The value of wave vector $k$ is

155534 Assertion: The velocity of electromagnetic waves depends on electric and magnetic properties of the medium.
Reason: Velocity of electromagnetic waves in free space is constant.

155535 The oscillating electric field of an electromagnetic wave is given by $E_{y}=30 \sin (2 \times$ $\left.10^{11} t+300 \pi x\right) V^{-1}$. Then, the value of wavelength of the electromagnetic wave is

155536 An electromagnetic wave of frequency $2 \mathrm{MHz}$ propagates from vacuum to a non-magnetic medium of relative permittivity 9. Then its' wavelength

155537 In a plane electromagnetic wave, the electric field oscillates with a frequency $2 \times 10^{10} \mathrm{~S}^{-1}$ and amplitude $40 \mathrm{Vm}^{-1}$, then the energy density due to electric field is
$\left(\varepsilon_{\mathbf{0}}=\mathbf{8 . 8 5} \times \mathbf{1 0}^{-\mathbf{- 1 2}} \mathbf{F m}^{-\mathbf{1}}\right)$

155538 The electric field associated with an electromagnetic wave in vacuum is given by $\overrightarrow{\mathbf{E}}=\hat{\mathbf{i}} 40 \cos \left(k z-6 \times 10^{8} \mathrm{t}\right)$, where $E, z$ and $t$ are volt $/ \mathrm{m}$, metre and second respectively. The value of wave vector $k$ is

155534 Assertion: The velocity of electromagnetic waves depends on electric and magnetic properties of the medium.
Reason: Velocity of electromagnetic waves in free space is constant.

155535 The oscillating electric field of an electromagnetic wave is given by $E_{y}=30 \sin (2 \times$ $\left.10^{11} t+300 \pi x\right) V^{-1}$. Then, the value of wavelength of the electromagnetic wave is

155536 An electromagnetic wave of frequency $2 \mathrm{MHz}$ propagates from vacuum to a non-magnetic medium of relative permittivity 9. Then its' wavelength

155537 In a plane electromagnetic wave, the electric field oscillates with a frequency $2 \times 10^{10} \mathrm{~S}^{-1}$ and amplitude $40 \mathrm{Vm}^{-1}$, then the energy density due to electric field is
$\left(\varepsilon_{\mathbf{0}}=\mathbf{8 . 8 5} \times \mathbf{1 0}^{-\mathbf{- 1 2}} \mathbf{F m}^{-\mathbf{1}}\right)$

155538 The electric field associated with an electromagnetic wave in vacuum is given by $\overrightarrow{\mathbf{E}}=\hat{\mathbf{i}} 40 \cos \left(k z-6 \times 10^{8} \mathrm{t}\right)$, where $E, z$ and $t$ are volt $/ \mathrm{m}$, metre and second respectively. The value of wave vector $k$ is

155534 Assertion: The velocity of electromagnetic waves depends on electric and magnetic properties of the medium.
Reason: Velocity of electromagnetic waves in free space is constant.

155535 The oscillating electric field of an electromagnetic wave is given by $E_{y}=30 \sin (2 \times$ $\left.10^{11} t+300 \pi x\right) V^{-1}$. Then, the value of wavelength of the electromagnetic wave is

155536 An electromagnetic wave of frequency $2 \mathrm{MHz}$ propagates from vacuum to a non-magnetic medium of relative permittivity 9. Then its' wavelength

155537 In a plane electromagnetic wave, the electric field oscillates with a frequency $2 \times 10^{10} \mathrm{~S}^{-1}$ and amplitude $40 \mathrm{Vm}^{-1}$, then the energy density due to electric field is
$\left(\varepsilon_{\mathbf{0}}=\mathbf{8 . 8 5} \times \mathbf{1 0}^{-\mathbf{- 1 2}} \mathbf{F m}^{-\mathbf{1}}\right)$

155538 The electric field associated with an electromagnetic wave in vacuum is given by $\overrightarrow{\mathbf{E}}=\hat{\mathbf{i}} 40 \cos \left(k z-6 \times 10^{8} \mathrm{t}\right)$, where $E, z$ and $t$ are volt $/ \mathrm{m}$, metre and second respectively. The value of wave vector $k$ is