101. Nuclear fusion is the process of
Answer: C. combining two light nuclei into a heavier nucleus
Physics Class 10 Unit 21: Nuclear Physics MCQs
107 multiple choice questions with the correct answer for each. Tap an option to check yourself, or switch on "Show all answers". This is page 3 of 3.
Tap an option to check your answer.
102. The energy of the Sun is released due to
Answer: B. nuclear fusion
103. In the Sun, fusion converts
Answer: A. hydrogen into helium
104. Dark matter makes up about ______ of the universe.
Answer: D. 27 %
105. Dark matter interacts through
Answer: D. gravity but not electromagnetic forces
106. A theory is scientific only if it makes assertions that can be
Answer: A. tested and potentially disproven
107. The idea that a scientific theory must be disprovable is called
Answer: C. falsifiability
About Physics Class 10 Unit 21 MCQs (Federal Board)
These 107 Physics MCQs cover Class 10 Unit 21: Nuclear Physics of the Federal Board (FBISE) SSC-II (Class 10) syllabus. They are SLO-based MCQs as per the new pattern for FBISE exams. Each question has four options and the correct answer is shown, so you can practise for the annual examination and find the topics you still need to revise. The questions are split over 3 pages of 50. You can also read the Nuclear Physics notes for this chapter. Download the Nuclear Physics MCQs as a PDF using the button at the top of this page.