Select Chapter Topics:
Q. No.Match List-I with List-II (The symbols carry their usual meaning)
List I
List II
A
\( \oint \vec{E} \cdot d \vec{A}=\frac{Q}{\varepsilon_0}\)
I
Ampere-Maxwell's Law
B
\( \oint \vec{B} \cdot d \vec{A}=0 \)
II
Faraday's Law
C
\( \oint \vec{E} \cdot \overrightarrow{d I}=\frac{-d(\phi)}{d t} \)
III
Gauss Law of electrostatics
D
\( \oint \vec{B} \cdot \overrightarrow{d l}=\mu_0 i_c+ \mu_0 \varepsilon_0 \frac{d\left(\phi_E\right)}{d t}\)
IV
Gauss law of magnetism
Choose the correct answer from the options given below:
1. A-III, B-IV, C-II, D-I
2. A-IV, B-III, C-II, D-I
3. A-III, B-II,C-IV,D-I
4. A-IV, B-I,C-III, D-II
Subtopic: Â Maxwell's Equations |
 77%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
If \(\overrightarrow{E}\) and \(\overrightarrow{B}\) represent the electric field vector and magnetic field vector, respectively, in an electromagnetic wave then the direction of EM wave is along:
1. \(\overrightarrow{E}\)
2. \(\overrightarrow{B}\)
3. \(\overrightarrow{E}\times\overrightarrow{B}\)
4. \(\overrightarrow{B}\times\overrightarrow{E}\)
1. \(\overrightarrow{E}\)
2. \(\overrightarrow{B}\)
3. \(\overrightarrow{E}\times\overrightarrow{B}\)
4. \(\overrightarrow{B}\times\overrightarrow{E}\)
Subtopic: Â Properties of EM Waves |
 84%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
The property which is not of an electromagnetic wave travelling in free space is that :
| 1. | the energy density in electric field is equal to energy density in magnetic field. |
| 2. | they travel with a speed equal to \(\frac{1}{\sqrt{\mu_0~ \epsilon_0}} .\) |
| 3. | they originate from charges moving with uniform speed. |
| 4. | they are transverse in nature. |
Subtopic: Â Properties of EM Waves |
 67%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
A parallel plate capacitor is charged by connecting it to a battery through a resistor. If \(i\) is the current in the circuit, then in the gap between the plates:
| 1. | displacement current of magnitude equal to \(i\) flows in the same direction as \(i\). |
| 2. | displacement current of magnitude equal to \(i\) flows in a direction opposite to that of \(i\). |
| 3. | displacement current of magnitude greater than \(i\) flows but can be in any direction. |
| 4. | there is no current. |
Subtopic: Â Displacement Current |
 56%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
The electromagnetic radiation which has the smallest wavelength is:
1. X-rays
2. Gamma rays
3. Ultraviolet rays
4. Microwaves
1. X-rays
2. Gamma rays
3. Ultraviolet rays
4. Microwaves
Subtopic: Â Electromagnetic Spectrum |
 79%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
If the ratio of relative permeability and relative permittivity of a uniform medium is \(1 : 4.\) The ratio of the magnitudes of electric field intensity \((E)\) to the magnetic field intensity \((H)\) of an EM wave propagating in that medium is:
\(\left(\text{Given that}\sqrt{\frac{\mu_0}{\varepsilon_0}}=120\pi\right)\)
1. \(30\pi:1\)
2. \(1:120\pi\)
3. \(60\pi:1\)
4. \(120\pi:1\)
\(\left(\text{Given that}\sqrt{\frac{\mu_0}{\varepsilon_0}}=120\pi\right)\)
1. \(30\pi:1\)
2. \(1:120\pi\)
3. \(60\pi:1\)
4. \(120\pi:1\)
Subtopic: Â Properties of EM Waves |
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
To produce an instantaneous displacement current of \(2~\text{mA}\) in the space between the parallel plates of a capacitor of capacitance \(4~\mu\text{F}\), the rate of change of applied variable potential difference \(\left(\frac{dV}{dt}\right)\) must be:
1. \( 800~ \text{V} / \text{s} \)
2. \( 500~ \text{V} / \text{s} \)
3. \( 200~ \text{V} / \text{s} \)
4. \( 400 ~\text{V} / \text{s}\)
1. \( 800~ \text{V} / \text{s} \)
2. \( 500~ \text{V} / \text{s} \)
3. \( 200~ \text{V} / \text{s} \)
4. \( 400 ~\text{V} / \text{s}\)
Subtopic: Â Displacement Current |
 77%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
\(\varepsilon_0\) and \(\mu_0\) are the electric permittivity and magnetic permeability of free space respectively. If the corresponding quantities of a medium are \(2\varepsilon_0\) and \(1.5\mu_0\) respectively, the refractive index of the medium will nearly be:
1. \(\sqrt2\)
2. \(\sqrt3\)
3. \(3\)
4. \(2\)
1. \(\sqrt2\)
2. \(\sqrt3\)
3. \(3\)
4. \(2\)
Subtopic: Â Properties of EM Waves |
 78%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
In a plane electromagnetic wave travelling in free space, the electric field component oscillates sinusoidally at a frequency of \(2.0\times 10^{10}~ \text{Hz}\) and amplitude \(48~\text{Vm}^{-1}\). Then the amplitude of the oscillating magnetic field is: (Speed of light in free space \(3\times 10^{8}~ \text{ms}^{-1}\))
1. \(1.6 \times 10^{-6} ~\text{T}\)
2. \(1.6 \times 10^{-9} ~\text{T}\)
3. \(1.6 \times 10^{-8} ~\text{T}\)
4. \(1.6 \times 10^{-7} ~\text{T}\)
1. \(1.6 \times 10^{-6} ~\text{T}\)
2. \(1.6 \times 10^{-9} ~\text{T}\)
3. \(1.6 \times 10^{-8} ~\text{T}\)
4. \(1.6 \times 10^{-7} ~\text{T}\)
Subtopic: Â Properties of EM Waves |
 58%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
The ratio of the magnitude of the magnetic field and electric field intensity of a plane electromagnetic wave in free space of permeability \(\mu_0\) and permittivity \(\varepsilon_0\) is:
(Given that \(c=\) velocity of light in free space)
1. \(c\)
2. \(\frac1c\)
3. \(\frac{c}{\sqrt{\mu_0\varepsilon_0}}\)
4. \(\frac{\sqrt{\mu_0\varepsilon_0}}{c}\)
(Given that \(c=\) velocity of light in free space)
1. \(c\)
2. \(\frac1c\)
3. \(\frac{c}{\sqrt{\mu_0\varepsilon_0}}\)
4. \(\frac{\sqrt{\mu_0\varepsilon_0}}{c}\)
Subtopic: Â Properties of EM Waves |
 58%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.