Modern Physics MCQ for NEET - 1
Question: 1
Which of the particles has similar mass to that of the electron?
(A) Neutrino
(B) Positron
(C) Neutron
(D) Proton
Ans: B
Positron
Question: 2
The ratio of specific charges of an alpha particle to that of a proton is
(A) 1/2
(B) 1/3
(C) 1/1
(D) 2/1
Ans: A
1/2
Question: 3
The cause of fractional atomic weights of elements is the presence of
(A) Isotones
(B) Isobars
(C) Isotopes
(D) None of these
Ans: C
Isotopes
Question: 4
Voltage applied between the electrodes of discharge tube is of the nature
(A) Voltage obtained by induction coil
(B) 220 V alternating voltage
(C) 220 V DC voltage
(D) Variable voltage
Ans: A
Voltage obtained by induction coil
Question: 5
The mass energy relation is the outcome of
(A) Special theory of relativity
(B) Quantum theory
(C) Field theory of relativity
(D) General theory of relativity
Ans: A
Special theory of relativity
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