(A) visible radiation
(B) infrared radiation
(C) ultra violet radiations
(D) gamma radiations
Answer: (C) ultra violet radiations
Category: Physics MCQs Class 12
Physics MCQs questions with answers of class 12 or second year. HSSC Part-II Physics multiple choice questions from past papers.
An electron is moving along the axis of the solenoid carrying a current:
(A) The force acts radially inwards
(B) The force acts radially outwards
(C) The force acts in the direction of motion
(D) No force acts
Answer: (D) No force acts
The path along which a unit positive charge moves in an electric field is called:
(A) Direction of charge
(B) path of charge
(C) An electric line of force
(D) Magnetic line of force
Answer: (C) An electric line of force
The path along which a unit positive charge moves in an electric field is called electric line of force.
The magnitude of drift velocity is of the order of:
(A) 0.1 m/s
(B) 0.01 m/s
(C) 0.001 m/s
(D) 0.0001 m/s
Answer: (D) 0.0001 m/s
Boyle’s law is an application of:
(A) Isobaric process
(B) Isothermal process
(C) Isochoric process
(D) Adiabatic process
Answer: (B) Isothermal process
Boyle’s law is an application of isothermal process.