Chapter 9 Atomic and Nuclear Physics
MCQ Test
MCQ Test
(I) Isotopes are atoms of the same element with different:
a) atomic mass
b) atomic number
c) number of protons
d) number of electrons
(II) One of the isotopes of uranium is 92238U. The number of neutrons in this isotope is:
a) 92
b) 146
c) 238
d) 330
(III) Which among the following radiations has more penetrating power?
a) a beta particle
b) a gamma ray
c) an alpha particle
d) all have the same penetrating ability
(IV) What happens to the atomic number of an element which emits one alpha particle?
a) increases by 1
b) stays the same
c) decreases by 2
d) decreases by 1
(V) The half-life of a certain isotope is 1 day. What is the quantity of the isotope after 2 days?
a) one-half
b) one-quarter
c) one-eighth
d) none of these
(VI) When Uranium (92 protons) ejects a beta particle, how many protons will be in the remaining nucleus?
a) 89 protons
b) 90 protons
c) 91 protons
d) 93 protons
(VII) Release of energy by the Sun is due to:
a) nuclear fission
b) nuclear fusion
c) burning of gases
d) chemical reaction
(VIII) When a heavy nucleus splits into two lighter nuclei, the process would:
a) release nuclear energy
b) absorb nuclear energy
c) release chemical energy
d) absorb chemical energy
(IX) The reason carbon-dating works is that:
a) plants and animals are such strong emitters of carbon-14
b) after a plant or animal dies, it stops taking in fresh carbon-14
c) there is so much non-radioactive carbon dioxide in the air
d) when plants or animals die, they absorb fresh carbon-14
10th Physics Chapter 9 MCQ Test Online
The online exercise test for 10th Physics Chapter 9 MCQ Test Online is designed to help students thoroughly understand Atomic and Nuclear Physics. This chapter discusses atomic structure, radioactivity, nuclear fission, and fusion processes, which are crucial for mastering physics at the matric level. Practicing these exercise MCQs enables students to strengthen their conceptual understanding and perform well in exams. Explore more resources at Mr Pakistani and subscribe to our YouTube channel Asif Brain Academy for expert guidance and additional study tips.
10th Physics Chapterwise Online MCQ Test – Chapterwise
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