A. Nucleon
B. Meson
C. Boson
D. Quartz
✅ The correct answer is option A.
Physics MCQs
Prepare effectively with our Physics MCQs with answers and explanations for exams and job tests. Our collection covers key topics such as mechanics, thermodynamics, optics, electricity and magnetism, modern physics, waves, and quantum theory. These multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, and physics-related job assessments. Practice online to strengthen your concepts, improve problem-solving skills, and excel in exams with our updated Physics MCQs
82. A man is in a car is moving with the velocity of 36km/hr. His speed with respect to the car is
A. 10m/s
B. 36m/s
C. Zero
D. Infinite
✅ The correct answer is option C.
83. Photon of highest frequency will be absorbed when transition takes place from
A. 1st to 5th orbit
B. 2nd to 5th orbit
C. 3rd to 5th orbit
D. 4th to 5th orbit
✅ The correct answer is option A.
84. The half-life of radium is 1590 years. In how many years shall the earth loss all its radium due to radioactive decay?
A. 1590×106 years
B. 1590×1012 years
C. 1590×1024 years
D. Never
✅ The correct answer is option D.
85. When the velocity time graph is a straight line parallel to the time axis then,
A. Acceleration is const
B. Acceleration is variable
C. Acceleration is zero
D. Velocity is zero
✅ The correct answer is option C.
86. In hydrogen spectrum which one of the following series lies in the ultraviolet region?
A. Balmer series
B. Pfund series
C. Bracket series
D. Lymann series
✅ The correct answer is option D.
87. Which one of the following radiation possesses maximum penetrating power?
A. X-rays
B. B-rays
C. γ-rays
D. All have the equal penetrating power
✅ The correct answer is option C.
88. Area under velocity time graph represent
A. Force
B. Displacement
C. Distance
D. Acceleration
✅ The correct answer is option C.
89. In obtaining an X-ray photograph of our hand we use the principle of
A. Photo electric effect
B. Ionization
C. Shadow photograph
D. Any of above
✅ The correct answer is option C.
90. Electrons
A. Can exist inside the nucleus
B. Cannot exist inside the nucleus
C. Can exist both inside and outside the nucleus
D. Do not know
✅ The correct answer is option D.