A. Using a transistor
B. Suppressing the harmonics in A.C voltage
C. Suppressing half wave of A.C supply by using diode
D. Using a Coolidge tube
✅ The correct answer is option C.
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
112. One AMU is equal to
A. 1.66 x 10-27kg
B. 166 x 10-15ng
C. 166 x 10-20g
D. All of above
✅ The correct answer is option D.
113. Identify the correct statement about minority carriers
A. Holes in n-type and free electrons in p-type
B. Holes in n-type and p-type
C. Free electrons in n-type and holes in p-type
D. Free electrons in n-type and p-type
✅ The correct answer is option A.
114. According to which one of following law the density of atom is uniform?
A. J.J.Thomson model
B. Rutherfords model
C. Bohrs model
D. All of the above laws contradict the statement
✅ The correct answer is option A.
115. Depletion region of a junction is formed
A. During the manufacturing process
B. Under forwarding bias
C. Under reverse bias
D. When temperature varies
✅ The correct answer is option A.
116. For chain reaction to build up the size of the radioactive target should be
A. Greater than the critical size
B. Less than the critical size
C. Equal to the critical size
D. All of above can build up a change reaction
✅ The correct answer is option A.
117. When the body is in motion, ________ always changes.
A. It’s velocity
B. It’s acceleration
C. Its position vector
D. It’s momentum
✅ The correct answer is option C.
118. Antimatter consists of
A. Antiproton
B. Antineutron
C. Positron
D. All of above
✅ The correct answer is option D.
119. A body is moving with uniform velocity. Its
A. Speed changes
B. Acceleration changes
C. The direction of motion changes
D. Displacement from origin changes
✅ The correct answer is option D.
120. Thermocouples convert
A. Heat energy into electrical energy
B. Heat energy into light energy
C. Heat energy into mechanical energy
D. Mechanical energy into heat energy
✅ The correct answer is option A.