Gate Physics Test Series. We covered all the Gate Physics Test Series MCQs in this post for free so that you can practice well for the exam.
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Gate Physics Test Series Objective for Students
Beta rays emitted by a radioactive material are
(a) the electrons orbiting around the nucleus.
(b) charged particles emitted by the nucleus.
(c) neutral particles.
(d) electromagnetic radiations
Option b – charged particles emitted by the nucleus
Half-life is measured by
(a) Geiger-Muller counter
(b) Carbon-dating
(c) Spectroscopic method
(d) Wilson-cloud chamber
Option b – Carbon-dating
The material used for safety from nuclear radiation is
(a) copper
(b) platinum
(c) iron
(d) lead
Option d – lead
Neutrons were discovered by
(a) James Chadwick
(b) Ernest Rutherford
(c) JJ Thomson
(d) John Dalton
Option a – James Chadwick
Isotopes are atoms having
(a) the same number of protons but a different number of neutrons.
(b) same number of neutrons but a different number of protons.
(c) same number of protons and neutrons.
(d) None of the above
Option a – the same number of protons but a different number of neutrons
Nuclear forces are
(a) short-range attractive and charge-independent.
(b) short-ranged attractive and charge dependent.
(c) long-ranged repulsive and charge independent.
(d) long-ranged repulsive and charge-dependent.
Option a – short-ranged attractive and charge independent
Radioactivity is measured by
(a) GM counter
(b) Polarimeter
(c) Calorimeter
(d) Colorimeter
Option a – GM counter
The atomic mass of an element is equal to the sum of the number of
(a) electrons and protons only
(b) protons and neutrons only
(c) electrons and neutrons only
(d) electrons, protons, and neutrons
Option b – protons and neutrons only
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