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During a nuclear fission reaction:
Concepts of Physics by H. C. Verma
Concepts of Physics

Class 12

HC Verma Part II

Author:
H. C. Verma
Subject:
Physics
1

Chapter 1: Heat and Temperature

64 questions

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2

Chapter 2: Kinetic Theory of Gases

100 questions

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3

Chapter 3: Calorimetry

41 questions

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4

Chapter 4: Laws of Thermodynamics

51 questions

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5

Chapter 5: Specific Heat Capacities of Gases

65 questions

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6

Chapter 6: Heat Transfer

82 questions

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7

Chapter 7: Electric Field and Potential

106 questions

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8

Chapter 8: Gauss's Law

46 questions

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9

Chapter 9: Capacitors

94 questions

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10

Chapter 10: Electric Current in Conductors

126 questions

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11

Chapter 11: Thermal and Chemical Effects of Electric Current

46 questions

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12

Chapter 12: Magnetic field

91 questions

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13

Chapter 13: Magnetic field due to a Current

92 questions

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14

Chapter 14: Permanent Magnets

54 questions

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15

Chapter 15: Magnetic Properties of Matter

31 questions

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16

Chapter 16: Electromagnetic Induction

133 questions

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17

Chapter 17: Alternating Current

51 questions

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18

Chapter 18: Electromagnetic Waves

30 questions

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19

Chapter 19: Electric Current through Gases

49 questions

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20

Chapter 20: Photoelectric Effect and Wave Particle Duality

69 questions

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21

Chapter 21: Bohr'a Model and Physics of the Atom

75 questions

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22

Chapter 22: X-rays

59 questions

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23

Chapter 23: Semiconductors and Semiconductor devices

71 questions

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24

Chapter 24: The Nucleus

94 questions

Q1
Free  nuclei kept in a train emit alpha particles. When the train is stationary and a uranium nucleus decays, a passenger measures that the separation between the alpha particle and the recoiling nucleus becomes x in time t after the decay. If a decay takes place when the train is moving at a uniform speed v, the distance between the alpha particle and the recoiling nucleus at a time t after the decay, as measured by the passenger will be:
Q2
During a nuclear fission reaction:
Q3
As the mass number A increases, which of the following quantities related to a nucleus do not change?
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Question
Easy
Timing Icon

Solving time: 2 mins

During a nuclear fission reaction:

A
A heavy nucleus breaks into two fragments by itself

B
A light nucleus bombarded by thermal neutrons breaks up

C
A heavy nucleus bombarded by thermal neutrons breaks up

D
Two light nuclei combine to give a heavier nucleus and possibly other products

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Updated on: May 30, 2022

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Concepts of Physics (HC Verma Part II)

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Text SolutionText solutionverified iconVerified

a heavy nucleus bombarded by thermal neutrons breaks up
In a nuclear reactor, a large fissile atomic nucleus like uranium-235 absorbs a thermal neutron and undergoes a nuclear fission reaction. The heavy nucleus splits into two or more lighter nuclei releasing gamma radiation and free neutrons.
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Practice questions from Concepts of Physics (HC Verma Part II)

Question 1
Easy
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Views: 6,205

The decay constant of a radioactive sample is λ. The half-life and the average-life of the sample are respectively:
  1. 1/λ and (ln 2/λ)
  2. (ln 2/λ) and 1/λ
  3. λ(ln 2) and 1/λ
  4. λ/(ln 2) and 1/λ
Topic

Topic:

Nuclei

Book

Book:

Concepts of Physics (HC Verma Part II)

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Question 2
Easy
Views

Views: 6,253

Which of the following are electromagnetic waves?
  1. α-rays
  2. Beta-plus rays
  3. Beta-minus rays
  4. Gamma rays
Topic

Topic:

Nuclei

Book

Book:

Concepts of Physics (HC Verma Part II)

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Question 3
Medium
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Views: 5,681

A certain sample of a radioactive material decays at the rate of 500 per second at a certain time. The count rate falls to 200 per second after 50 minutes.
(a) What is the decay constant of the sample?
(b) What is its half-life?
Topic

Topic:

Nuclei

Book

Book:

Concepts of Physics (HC Verma Part II)

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Question 4
Easy
Views

Views: 5,427

If three helium nuclei combine to form a carbon nucleus, energy is liberated. Why can't helium nuclei combine on their own and minimise the energy?
Topic

Topic:

Nuclei

Book

Book:

Concepts of Physics (HC Verma Part II)

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Practice more questions from Nuclei

Question 1
Easy
Views

Views: 6,382

For a radioactive material, half-life is 10 minutes. If initially there are 600 number of nuclei, the time taken (in minutes) for the disintegration of 450 nuclei is :
  1. 30
  2. 10
  3. 20
  4. 15
Topic

Topic:

Nuclei

Book

Book:

Fundamentals of Physics, Extended

Exam

Exam:

NEET 2018

View 26 solutions

Question 2
Easy
Views

Views: 5,491

Obtain a relation between half life of a radioactive substance and decay constant .
Topic

Topic:

Nuclei

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Question 3
Medium
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Views: 5,496

A radioactive nucleus undergoes a series of decay according to the scheme If the mass number and atomic number of are 180 and 72 respectively, what are these numbers for ?
Topic

Topic:

Nuclei

Book

Book:

Physics Galaxy Optics and Modern Physics Vol 4 (Ashish Arora)

View 3 solutions

Question 4
Hard
Views

Views: 5,864

Q.219. At the initial moment the activity of a certain radionuclide totalled 650 particles per minute. What will be the activity of the preparation after half its half-life period? 
Topic

Topic:

Nuclei

Book

Book:

Problems in General Physics (IE Irodov)

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Practice questions on similar concepts asked by Filo students

Question 1
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Views: 5,718

- Question 2: How do the skater mass and starting position change the way the bar graphs act? Do they change at all?
  1. Switch to the "Friction" tab, and repeat steps 3-5.
Topic

Topic:

Physics

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Question 2
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Views: 5,207

A particle is moving in a plane with constant acceleration . Initial velocity of the particle is . Velocity of particle at is
Topic

Topic:

Mechanics

View solution

Question 3
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Views: 5,845

FREQUENCY AND TIME PERIOD Frequency of circular motion is used when the particle moves with constant linear and angular speed. This is defined as number that the particle completes one revolution in time seconds, Hence, in one second the particle has revolution, i.e., we call "frequency" given as Angular frequency: Since As constant \[ [\theta]_{0}^{2 \pi}=\omega[t]_{0}^{T} \Rightarrow[2 \pi-0]=\omega[T-0] \] This gives
Topic

Topic:

Rotational Mechanics

View solution

Question 4
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Views: 5,681

कज्जा मुक्त होगी। इस प्रक्रिया को नाभिकीय संलयन कहते है। प्रश्न 16. एक रेडियोऐक्टिव पदार्थ 500 वर्ष में घटकर अपनी प्रारम्भिक मात्रा का गना रह जाता है। रेडियोऐक्टिव पदार्थ की अर्द्धआयु ज्ञात कीजिए। [2019] प्रश्नानुसार, अत: या अत: पदार्थ की अर्द्धआयु दिया है : विघटन का समय वर्ष प्रश्न 17. नाभिकीय वि दाहरण देकर समझाइए। उत्तर : नाभिकीय विखण्डन एवं नाभिकीय संलयन में अन्तर Difference between Nuclear Fission and Nuclear n) ाभिकों में ही कराई जा सकती के नाभिकों से ही होती है। बढ़ती है, सम्पूर्ण प मुक्त होती
Topic

Topic:

Modern Physics

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Question Text
During a nuclear fission reaction:
Updated OnMay 30, 2022
TopicNuclei
SubjectPhysics
ClassClass 12
Answer TypeText solution:1 Video solution: 2
Upvotes290
Avg. Video Duration2 min