Physics Objective Type Question for Class 12th

Hello! friends, in this article today we are going to share (MCQ Questions for Class 12th Physics with Answers) some important objective questions of Physics, which is very important from the point of view of class XII, Objective questions are mainly asked in all subjects in the exam keeping this in mind. We have shared with you some important questions of Physics which are as follows-

Physics MCQ Questions and Answers

Q.1 The number of electrons contained in one coulomb of charge is:
(a) 6.25 × 10¹⁸
(b) 6.25 × 10¹⁷
(c) 6.25 × 10¹⁹
(d) 1.6 × 10¹⁹

Q.2 The unit of intensity of the electric field is :
(a) meter/volt
(b) Joule/newton
(c) Coulomb/newton
(d) Newton/coulomb

Q.3 Choose the SI unit of electric potential energy :
(a) Joule
(b) Coulomb
(c) Netwon per coulomb
(d) Erg

Q.4 An electron is sent in an electric field of magnitude 9.1 × 10⁶NC^-1. The acceleration produced in it is :
(a) 1.6 ms^-2
(b) 1.6 × 10¹⁸ms^-2
(c) 3.2 × 10¹⁸ms^-2
(d) 0.8 × 10¹⁸ ms^-2

Q.5 In non-uniform electric field, electric dipole experiences:
(a) torque only
(b) force only
(c) torque as well as the net force
(d) None of these

Q.6 The SI units of electric dipole moment are:
(a) C
(b) Cm^-1
(c) Cm
(d) Nm^-1

(MCQ Questions for Class 12th Physics with Answers)

Q.7 The dielectric constant of metal is:
(a) 0
(b) 1
(c) ∞
(d) -1

Q.8 Chadwick was awarded the Nobel prize in Physics in 1935 for his discovery of:
(a) electron
(b) proton
(c) neutron
(d) None of these

Q.9 Which one of the following is the unit of electric field?
(a) Coulomb
(b) Newton
(c) Volt
(d) N/C

Q.10 Energy dissipates in LCR circuit in :
(a) L only
(b) C only
(c) R only
(d) All of the above

Q.11 An acceptor circuit is :
(a) series resonant circuit
(b) parallel resonant circuit
(c) LCR circuit
(d) None of these

Q.12 Transformer works on the principle of:
(a) convertor
(b) invertor
(c) mutual induction
(d) self-induction

Q.13 Rutherford is the unit of:
(a) radioactivity
(b) energy
(c) photoelectric current
(d) magnetic field

Q.14 X-ray was discovered by :
(a) Becquerel
(b) Marie curie
(c) Roengton
(d) Vanlaw

Q.15 The capacitance of a capacitor will decrease if we introduce a slab of:
(a) copper
(b) aluminum
(c) zinc
(d) None of these