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A charged particle oscillates about its mean (equilibrium) pos
Physics Part-I
Physics Part-I

Class 12

NCERT

Publisher:
NCERT
Subject:
Physics
1

Chapter 1: Electric Charges and Fields

47 questions

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2

Chapter 2: Electrostatic Potential and Capacitance

46 questions

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3

Chapter 3: Current Electricity

33 questions

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4

Chapter 4: Moving Charges and Magnetism

41 questions

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5

Chapter 5: Magnetism and Matter

36 questions

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6

Chapter 6: Electromagnetic Induction

28 questions

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7

Chapter 7: Alternating Current

37 questions

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8

Chapter 8: Electromagnetic Waves

20 questions

Q1
A radio can tune in to any station in the 7.5 MHz to 12 MHz band. What is the corresponding wavelength band?
Q2
A charged particle oscillates about its mean (equilibrium) position with a frequency of . What is the frequency of the electromagnetic waves produced by the oscillator?
Q3
The amplitude of the magnetic field part of a harmonic electromagnetic wave in vacuum is . What is the amplitude of the electric field part of the wave?
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Question
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A charged particle oscillates about its mean (equilibrium) position with a frequency of . What is the frequency of the electromagnetic waves produced by the oscillator?

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Updated on: May 29, 2022

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Physics Part-I (NCERT)

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A charged particle oscillates about its mean (equilibrium) position with a frequency of . What is the frequency of the electromagnetic waves produced by the oscillator?
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Text SolutionText solutionverified iconVerified

The frequency of an electromagnetic wave produced by the oscillator is same as that of charged particle oscillating about its mean position i.e., .
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Practice more questions from Physics Part-I (NCERT)

Q1
A radio can tune in to any station in the 7.5 MHz to 12 MHz band. What is the corresponding wavelength band?
Q2
A charged particle oscillates about its mean (equilibrium) position with a frequency of . What is the frequency of the electromagnetic waves produced by the oscillator?
Q3
The amplitude of the magnetic field part of a harmonic electromagnetic wave in vacuum is . What is the amplitude of the electric field part of the wave?
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Practice questions from Physics Part-I (NCERT)

Question 1
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The terology of different parts of the electromagnetic spectrum is given in the text. Use the formula (for energy of a quantum of radiation: photon) and obtain the photon energy in units of eV for different parts of the electromagnetic spectrum. In what way are the different scales of photon energies that you obtain related to the sources of electromagnetic radiation?
Topic

Topic:

Electromagnetic Waves

Book

Book:

Physics Part-I (NCERT)

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Question 2
Medium
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Given below are some famous numbers associated with electromagnetic radiations in different contexts in physics. State the part of the electromagnetic spectrum to which each belongs.
(a) 21 cm (wavelength emitted by atomic hydrogen in interstellar space).

(b) 1057 MHz (frequency of radiation arising from two close energy levels in hydrogen; known as Lamb shift).

(c) 2.7 K [temperature associated with the isotropic radiation filling all space thought to be a relic of the big-bang origin of the universe].

(d) [double lines of sodium]

(e) 14.4 ke V [energy of a particular transition in Fe nucleus associated with a famous high resolution spectroscopic method ()].
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Topic:

Electromagnetic Waves

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Book:

Physics Part-I (NCERT)

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Question 3
Medium
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A parallel plate capacitor with circular plates of radius has a capacitance of . At , it is connected for charging in series with a resistor across a battery (Figure). Calculate the magnetic field at a point , halfway between the centre and the periphery of the plates, after . (The charge on the capacitor at time is , where the time constant is equal to .)
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Book

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Physics Part-I (NCERT)

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Question 4
Medium
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Light with an energy flux of falls on a nonreflecting surface at normal incidence. If the surface has an area of , find the average force exerted on the surface during a 30 minute time span.
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Electromagnetic Waves

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Book:

Physics Part-I (NCERT)

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Practice more questions from Electromagnetic Waves

Question 1
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The magnetic field in a travelling electromagnetic wave has a peak value of . The peak value of electric field strength is:
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Question 2
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The oscillating electric and magnetic vectors of an electromagnetic wave are oriented along
  1. The same direction but differ in phase by
  2. The same direction and are in phase
  3. Mutually perpendicular directions and are in phase
  4. Mutually perpendicular directions and differ in phase by
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Question 3
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The correct option, if speeds of gamma rays, -rays and microwave are an respectively will be.
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An electromagnetic wave travels along z-axis. Which of the following pairs of space and time varying fields would generate such a wave?
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Practice questions on similar concepts asked by Filo students

Question 1
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29. A boy of mass is standing on a piece of wood having A34 mass . If the coefticient of friction between the wood and the floor is 0.5 , the maximum force that the boy can exert on the rope so that the piece of wood does not move N. (Round off to the Nearest from its place is 30. A body of mass rests on a horizontal floor with which make the body move by applying the minimum possible force . The value of will be (Round off to the Nearest integer) [Take ] [Main March 17, 2021 (II)] 31. An inclined plane is bent in such a way that the vertical cross-section is given by where is in vertical and in horizontal direction. If the upper surface of this curved plane is rough with coefficient of friction , the maximum height in at which a stationary block will not slip downward is . [Main , Feb. 24.2021 (I)]
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Question 2
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For a thin lens, . Addin Eqs. (9.17) and (9.18), we get
  1. \frac{n_{1}}{\mathrm{OB}}+\frac{n_{1}}{\mathrm{DI}}=\left(n_{2}-n_{1}\right)\left(\frac{1}{\mathrm{BC}_{1}}+\frac{1}{\mathrm{DC}_{2}}\right)
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  3. \frac{n_{1}}{f}=\left(n_{2}-n_{1}\right)\left(\frac{1}{\mathrm{BC}_{1}}+\frac{1}{\mathrm{DC}_{2}}\right)
  4. The point where image of an object placed at infinity is formed is called the
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Question 3
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পশ্চাদ্বতী তরষ্সমুতের কোনো অস্তিত্ব নেই। এই বক্তব্যের তাত্ত্বিক ও कামূলক প্রমাণ শারে পাওয়া ধেছে। Laws of Reflection] ন্জের তরঙ্গকত্তের সাহাভ্যে আলোর প্রতিফলনের সূত্রগুলি প্রমাণ आপতিত সমতল তরঙ্মমুখ প্রতিফলিত সমতল তরজ্গমুখ এখন
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Question 4
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Determine the transmission parameters of the circuit in Fig. 18.92.
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Question Text
A charged particle oscillates about its mean (equilibrium) position with a frequency of . What is the frequency of the electromagnetic waves produced by the oscillator?
Updated OnMay 29, 2022
TopicElectromagnetic Waves
SubjectPhysics
ClassClass 12
Answer TypeText solution:1 Video solution: 2
Upvotes188
Avg. Video Duration3 min