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What physical quantity is the same for X-rays of wavelength 10
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

arrow
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 parallel plate capacitor (Fig.) made of circular plates each of radius R = 6.0 cm has a capacitance C = 100 pF. The capacitor is connected to a 230 V ac supply with a (angular) frequency of 300 rad .
(a) What is the rms value of the conduction current?
(b)Is the conduction current equal to the displacement current?
(c)Determine the amplitude of B at a point 3.0 cm from the axis between the plates.


Q2
What physical quantity is the same for X-rays of wavelength , red light of wavelength 6800 and radiowaves of wavelength 500m?
Q3
A plane electromagnetic wave travels in vacuum along z-direction. What can you say about the directions of its electric and magnetic field vectors? If the frequency of the wave is 30 MHz, what is its wavelength?
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What physical quantity is the same for X-rays of wavelength , red light of wavelength 6800 and radiowaves of wavelength 500m?

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Updated on: Sep 12, 2022

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Physics Part-I (NCERT)

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What physical quantity is the same for X-rays of wavelength , red light of wavelength 6800 and radiowaves of wavelength 500m?
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Text SolutionText solutionverified iconVerified

The speed in vacuum is the same for all,
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Practice more questions from Physics Part-I (NCERT)

Q1
A parallel plate capacitor (Fig.) made of circular plates each of radius R = 6.0 cm has a capacitance C = 100 pF. The capacitor is connected to a 230 V ac supply with a (angular) frequency of 300 rad .
(a) What is the rms value of the conduction current?
(b)Is the conduction current equal to the displacement current?
(c)Determine the amplitude of B at a point 3.0 cm from the axis between the plates.


Q2
What physical quantity is the same for X-rays of wavelength , red light of wavelength 6800 and radiowaves of wavelength 500m?
Q3
A plane electromagnetic wave travels in vacuum along z-direction. What can you say about the directions of its electric and magnetic field vectors? If the frequency of the wave is 30 MHz, what is its wavelength?
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Practice questions from Physics Part-I (NCERT)

Question 1
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The magnetic field in a plane electromagnetic wave is given by . (a) What is the wavelength and frequency of the wave? (b) Write an expression for the electric field.
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Book:

Physics Part-I (NCERT)

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Question 3
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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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Topic:

Electromagnetic Waves

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Book:

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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Practice more questions from Electromagnetic Waves

Question 1
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If the directions of electric and magnetic field vectors of a plane electromagnetic wave are along positive y-direction and positive z-direction respectively, then the direction of propagation of the wave is along:
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Question 2
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Question 3
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A radio receiver antenna that is long is oriented along the direction of the electromagnetic wave and receives a signal of intensity . The maximum instantaneous potential difference across the two ends of the antenna is
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A new system of unit is evolved in which the values of and are 2 and 8 respectively. Then the speed of light in this system will be
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Question Text
What physical quantity is the same for X-rays of wavelength , red light of wavelength 6800 and radiowaves of wavelength 500m?
Updated OnSep 12, 2022
TopicElectromagnetic Waves
SubjectPhysics
ClassClass 12
Answer TypeText solution:1 Video solution: 3
Upvotes425
Avg. Video Duration3 min