MCQ on Electromagnetic Wave: Previous trends reveal that NEET/JEE aspirants find Physics as the most challenging section amongst the other sections. But most of them fail to decipher the reason behind this. This particularly can be as the candidates taking up this examination are predominantly medical aspirants with their subject of interest being Biology. Also, sections like Physics are more on theories, laws, numerical as opposed to Biology which is more of fact-based, life sciences and comprising of substantial explanations.
In this post we are providing you MCQ on Electromagnetic Wave, which will be beneficial for you in upcoming NEET, AIIMS, JEE, WBJEE, Medical and Engineering Exams.
MCQ on Electromagnetic Wave
Q1. The ratio of the amplitude of the magnetic field to the amplitude of the electric field for electromagnetic wave propagation in a vacuum is equal to ______. (c) Reciprocal of the speed of light in vacuum
b) Speed of light in vacuum
c) Reciprocal of the speed of light in vacuum
d) The ratio of magnetic permeability to electrical susceptibility in a vacuum.
(c) Reciprocal of the speed of light in vacuum
Q2. Which of the following can be used to produce a propagating electromagnetic wave? (d) An accelerating charge
a) Charge moving at a constant speed
b) Chargeless particle
c) Stationary charge
d) An accelerating charge
(d) An accelerating charge
Q3. The velocity of electromagnetic radiation in a medium of permittivity ε0 and permeability μ0 is given by ______. () 1/√ε0/μ0
Q4. To which part of the spectrum does EM waves belong if the energy of the wave is of the order of 15 KeV. (a) X rays
a) X rays
b) Infrared rays
c) Ultraviolet rays
d) Gamma rays
(a) X rays
Q5. Electromagnetic waves are produced by ______. (b) An accelerated charge
a) A static charge
b) An accelerated charge
c) A moving charge
d) Charged particles
(b) An accelerated charge
Q6. Which properties amount the following is false about electromagnetic waves? (b) Both electric and magnetic field vectors are parallel to each other and perpendicular to the direction of propagation of the wave.
a) The energy in an electromagnetic wave is divided equally between electric and magnetic vectors.
b) Both electric and magnetic field vectors are parallel to each other and perpendicular to the direction of propagation of the wave.
c) These waves do not require any material medium for propagation
d) Both electric and magnetic field vectors attain the maxima and minima at the same place and the same time
(b) Both electric and magnetic field vectors are parallel to each other and perpendicular to the direction of propagation of the wave.
Q7. In electromagnetic waves the phase difference between electric field vector and magnetic field vector is ______. (a) Zero
Q8. Which of the following rays are not electromagnetic waves? (b) Beta rays
a) Gamma rays
b) Beta rays
c) Heat rays
d) X rays
(b) Beta rays
Q9. In an electromagnetic wave in free space, the root mean square value of the electric field is 6 V/m. The peak value of the magnetic field is ______. (a) 2.83 x 10-8 T
a) 2.83 x 10-8 T
b) 1.51 x 10-8 T
c) 0.80 x 10-8 T
d) 4 x 10-8 T
(a) 2.83 x 10-8 T
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By Team Learning Mantras