The X-ray beam can be detected by

1.  Magnetic field

2.  Electric field

3.  Both 1 and 2

4.  None of these

Subtopic:  Electromagnetic Spectrum |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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In an electromagnetic wave in free space the root mean square value of the electric field is Erms=6 V/m. The peak value of the magnetic field is:

1. 1.41×10-8T

2. 2.83×10-8T

3. 0.70×10-8T

4. 4.23×10-8 T 

Subtopic:  Properties of EM Waves |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Out of the following options which one can be used to produce a propagating electromagnetic wave?

1. A stationary charge               

2. A chargeless particle

3. An accelerating charge         

4. A charge moving at constant velocity

Subtopic:  Generation of EM Waves |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The energy of the EM wave is of the order of 15 KeV. To which part of the spectrum does it belong?

1. X-rays

2. Infrared rays

3. Ultraviolet rays

4. γ-rays

Subtopic:  Properties of EM Waves |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The electric field associated with an electromagnetic wave in vacuum is given by E= 40coskz-6×108t,where E, z, and t are in volt/m, meter, and second respectively. The value of wave vector k is:

1. 2 m-1                               2. 0.5 m-1

3. 6 m-1                               4. 3 m-1             

Subtopic:  Properties of EM Waves |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The ratio of the amplitude of the magnetic field to the amplitude of electric field for an electromagnetic wave propagating in vacuum is equal to

(1) the speed of light in vacuum

(2) reciprocal of speed of light in vacuum

(3) the ratio of magnetic permeability to the electric susceptibility of vacuum

(4) unity

Subtopic:  Properties of EM Waves |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The electric and the magnetic field, associated with an electromagnetic wave, propagating along the +z-axis, can be represented by

1.  E=E0k^, B=B0I^˙ 

2.   E=E0j^, B=B0j^

3.   E=E0j^, B=B0k^

4.   E=E0i^, B=Boj^

Subtopic:  Properties of EM Waves |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The decreasing order of the wavelength of infrared, microwave, ultraviolet and gamma rays is

(1) gamma rays, ultraviolet, infrared, microwaves

(2) microwaves, gamma rays, infrared, ultraviolet

(3) infrared, microwave, ultraviolet, gamma rays

(4) microwave, infrared, ultraviolet, gamma rays

Subtopic:  Properties of EM Waves |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Which of the following statements is false for the properties of electromagnetic waves?

1. Both electric and magnetic field vectors attain the maxima and minima at the same place and the same time

2. The energy in an electromagnetic wave is divided equally between electric and magnetic vectors 

3. Both electric and magnetic field vectors are parallel to each other and perpendicular to the direction of propagation of the wave

4. These waves do not require any material medium for propagation

 

Subtopic:  Properties of EM Waves |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The electric field of an electromagnetic wave in free space is given by E=10 cos(107t+kx)j^ V/m, where t and x are in seconds and meters respectively. It can be inferred that

(1) The wavelength λ is 188.4 m.

(2) The wave number is 0.33 rad/m.

(3) The wave amplitude is 10 V/m.

(4) The wave is propagating along +x direction

Which one of the following pairs of statements is correct?

1.  (3) and (4)

2.  (1) and (2)

3.  (2) and (3)

4.  (1) and (3)  

Subtopic:  Properties of EM Waves |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: