DisplacementCurrent
Electromagnetic Wave

155579 If the speed of a wave doubles as it passes from shallow water into deeper water, its wavelength will be

1 unchanged
2 halved
3 doubled
4 quadrupled
Electromagnetic Wave

155580 A new system of units is evolved in which the values of $\mu_{0}$ and $\varepsilon_{0}$ are 2 and 8 respectively. Then the speed of light in this system will be

1 0.25
2 0.5
3 0.75
4 1
Electromagnetic Wave

155584 A beam of light travelling along $\mathrm{X}$-axis is described by the electric field $E Y=600 \frac{\mathrm{V}}{\mathrm{m}}$. $\sin \omega\left(t-\frac{x}{c}\right)$. The maximum magnetic force on a charge $q=2 e$, moving along $Y$-axis with the speed of $3 \times 10^{8} \mathrm{~m} / \mathrm{s}$ is

1 $19.2 \times 10^{-17} \mathrm{~N}$
2 $1.92 \times 10^{-17} \mathrm{~N}$
3 $0.192 \mathrm{~N}$
4 None of these
Electromagnetic Wave

155585 The electric field for a electromagnetic wave in free space is $E=i 30 \cos \left(k z-5 \times 10^{8} t\right)$, magnitude of wave vector $k$ is (velocity of em wave in free space $=3 \times 10^{8} \mathrm{~m} / \mathrm{s}$ )

1 $0.46 \mathrm{rad} \mathrm{m}^{-1}$
2 $3 \mathrm{rad} \mathrm{m}^{-1}$
3 $1.66 \mathrm{rad} \mathrm{m}^{-1}$
4 $0.83 \mathrm{rad} \mathrm{m}^{-1}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Electromagnetic Wave

155579 If the speed of a wave doubles as it passes from shallow water into deeper water, its wavelength will be

1 unchanged
2 halved
3 doubled
4 quadrupled
Electromagnetic Wave

155580 A new system of units is evolved in which the values of $\mu_{0}$ and $\varepsilon_{0}$ are 2 and 8 respectively. Then the speed of light in this system will be

1 0.25
2 0.5
3 0.75
4 1
Electromagnetic Wave

155584 A beam of light travelling along $\mathrm{X}$-axis is described by the electric field $E Y=600 \frac{\mathrm{V}}{\mathrm{m}}$. $\sin \omega\left(t-\frac{x}{c}\right)$. The maximum magnetic force on a charge $q=2 e$, moving along $Y$-axis with the speed of $3 \times 10^{8} \mathrm{~m} / \mathrm{s}$ is

1 $19.2 \times 10^{-17} \mathrm{~N}$
2 $1.92 \times 10^{-17} \mathrm{~N}$
3 $0.192 \mathrm{~N}$
4 None of these
Electromagnetic Wave

155585 The electric field for a electromagnetic wave in free space is $E=i 30 \cos \left(k z-5 \times 10^{8} t\right)$, magnitude of wave vector $k$ is (velocity of em wave in free space $=3 \times 10^{8} \mathrm{~m} / \mathrm{s}$ )

1 $0.46 \mathrm{rad} \mathrm{m}^{-1}$
2 $3 \mathrm{rad} \mathrm{m}^{-1}$
3 $1.66 \mathrm{rad} \mathrm{m}^{-1}$
4 $0.83 \mathrm{rad} \mathrm{m}^{-1}$
Electromagnetic Wave

155579 If the speed of a wave doubles as it passes from shallow water into deeper water, its wavelength will be

1 unchanged
2 halved
3 doubled
4 quadrupled
Electromagnetic Wave

155580 A new system of units is evolved in which the values of $\mu_{0}$ and $\varepsilon_{0}$ are 2 and 8 respectively. Then the speed of light in this system will be

1 0.25
2 0.5
3 0.75
4 1
Electromagnetic Wave

155584 A beam of light travelling along $\mathrm{X}$-axis is described by the electric field $E Y=600 \frac{\mathrm{V}}{\mathrm{m}}$. $\sin \omega\left(t-\frac{x}{c}\right)$. The maximum magnetic force on a charge $q=2 e$, moving along $Y$-axis with the speed of $3 \times 10^{8} \mathrm{~m} / \mathrm{s}$ is

1 $19.2 \times 10^{-17} \mathrm{~N}$
2 $1.92 \times 10^{-17} \mathrm{~N}$
3 $0.192 \mathrm{~N}$
4 None of these
Electromagnetic Wave

155585 The electric field for a electromagnetic wave in free space is $E=i 30 \cos \left(k z-5 \times 10^{8} t\right)$, magnitude of wave vector $k$ is (velocity of em wave in free space $=3 \times 10^{8} \mathrm{~m} / \mathrm{s}$ )

1 $0.46 \mathrm{rad} \mathrm{m}^{-1}$
2 $3 \mathrm{rad} \mathrm{m}^{-1}$
3 $1.66 \mathrm{rad} \mathrm{m}^{-1}$
4 $0.83 \mathrm{rad} \mathrm{m}^{-1}$
Electromagnetic Wave

155579 If the speed of a wave doubles as it passes from shallow water into deeper water, its wavelength will be

1 unchanged
2 halved
3 doubled
4 quadrupled
Electromagnetic Wave

155580 A new system of units is evolved in which the values of $\mu_{0}$ and $\varepsilon_{0}$ are 2 and 8 respectively. Then the speed of light in this system will be

1 0.25
2 0.5
3 0.75
4 1
Electromagnetic Wave

155584 A beam of light travelling along $\mathrm{X}$-axis is described by the electric field $E Y=600 \frac{\mathrm{V}}{\mathrm{m}}$. $\sin \omega\left(t-\frac{x}{c}\right)$. The maximum magnetic force on a charge $q=2 e$, moving along $Y$-axis with the speed of $3 \times 10^{8} \mathrm{~m} / \mathrm{s}$ is

1 $19.2 \times 10^{-17} \mathrm{~N}$
2 $1.92 \times 10^{-17} \mathrm{~N}$
3 $0.192 \mathrm{~N}$
4 None of these
Electromagnetic Wave

155585 The electric field for a electromagnetic wave in free space is $E=i 30 \cos \left(k z-5 \times 10^{8} t\right)$, magnitude of wave vector $k$ is (velocity of em wave in free space $=3 \times 10^{8} \mathrm{~m} / \mathrm{s}$ )

1 $0.46 \mathrm{rad} \mathrm{m}^{-1}$
2 $3 \mathrm{rad} \mathrm{m}^{-1}$
3 $1.66 \mathrm{rad} \mathrm{m}^{-1}$
4 $0.83 \mathrm{rad} \mathrm{m}^{-1}$