Question 1 of 15
The radius of a nucleus of mass number is:
A
B
C
D
View Correct Answer & Step-by-Step Solution
Correct Option:(B)
Detailed explanation is available inside the official test attempt review.
Class 12 Physics: Nuclei — Chapter Test 1
Class 12 • Physics • Nuclei • Chapter Test
MediumFREE
15
Questions
20 min
Duration
15
Marks (1 each)
No
Negative marking
Original practice questions with full solutions by ExamPortal.
Instructions
- • Read each question carefully and pick the correct answer.
- • You can mark questions for review and come back to them.
- • Answers are saved automatically.
- • The test is submitted automatically when time runs out.
Access
This test is completely free.
Finish it to earn +5 points.
SYLLABUS & QUESTION BLUEPRINT
Sample Practice Questions
Preview 5 sample questions from this 15-question test. Test your knowledge below or take the full exam in timed CBT mode.
Question 2 of 15
The density of nuclear matter:
A
increases with A
B
is roughly the same for all nuclei
C
decreases with A
D
is zero
View Correct Answer & Step-by-Step Solution
Correct Option:(B)is roughly the same for all nuclei
Detailed explanation is available inside the official test attempt review.
Question 3 of 15
The mass defect of a nucleus is the:
A
mass of electrons
B
difference between the total mass of the nucleons and the mass of the nucleus
C
mass of neutrons only
D
mass of the atom
View Correct Answer & Step-by-Step Solution
Correct Option:(B)difference between the total mass of the nucleons and the mass of the nucleus
Detailed explanation is available inside the official test attempt review.
Question 4 of 15
1 atomic mass unit is equivalent to about:
A
9.31 MeV
B
931.5 MeV
C
93.1 MeV
D
1 MeV
View Correct Answer & Step-by-Step Solution
Correct Option:(B)931.5 MeV
Detailed explanation is available inside the official test attempt review.
Question 5 of 15
The binding energy per nucleon is highest for nuclei near:
A
hydrogen
B
iron-56
C
uranium-238
D
helium-3
View Correct Answer & Step-by-Step Solution
Correct Option:(B)iron-56
Detailed explanation is available inside the official test attempt review.
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Frequently asked questions
How many questions are there in Class 12 Physics: Nuclei — Chapter Test 1?
There are 15 questions to answer in 20 min. Each correct answer gives 1 mark, for a total of 15 marks.
Is there negative marking?
No. Wrong answers do not lose marks, so attempt every question.
Is this mock test free?
Yes, it is completely free. Just log in with your email to start.
What does this test cover?
It covers the chapter "Nuclei" of Class 12 Physics. All questions are original, with a full solution for each.
Will I see my result and the solutions?
Yes. Right after you submit you get your score, accuracy, rank and percentile, and you can review every question with the correct answer and a step-by-step explanation.
Can I take this test again?
Yes, you can retake it as many times as you like and compare your scores.