We have Class 12 Physics Model Questions Pdf. If you are looking for model questions in physics, then you are at the right location. You can download it and prepare for your final exams.
Candidates are required to give answers in their own words as far as practicable. Figures in the margin indicate full marks.
Time: 3hrs Full Marks: 75 Attempt all the questions.
Also Read: Class 12 Model Questions (All Subjects PDF).
Class 12 Physics Model Questions Pdf
Following are the Class 12 Physics Model Questions.
Group – ‘A’
Rewrite the correct options of each question in your answer sheet. (11×1=11)
1. The product of the moment of inertia and the angular velocity gives
(A) force (B), torque (C), linear momentum (D), angular momentum
2. The bob of a simple pendulum has a mass of 0.40 kg. The pendulum oscillates with a period of 2.0 s and an amplitude of 0.15m. At an extreme point in its cycle, it has a potential energy of 0.044J. What is the kinetic energy of the pendulum bob at its mean point? (A) 0.022 J (B) 0.044 J (C) 0.011 J (D) 0.033 J
3. What causes earthquakes?
(A) The flow of magma (B) The expansion of the earth’s crust (C) The rubbing together of earth’s plates (D) Tsunami
4. What percentage of original radioactive atoms is left after 4 half-lives?
(A) 1% (B) 6% (C) 10% (D) 20%
6. Which one of the following properties of sound is affected by the change in air temperature?
(A) amplitude (B) frequency (C) wavelength (D) intensity
7. Internal energy of an ideal gas depends on
(A) volume only (B) pressure only (C) temperature only (D) both pressure and volume
8. In which of the following processes of the gas, work done maximum?
(A) Isothermal (B) Isobaric (C) adiabatic (D) Isochoric
9. The neutral temperature of a thermocouple is equal to 500°C when the temperature of the cold junction is 0°C. Percentage change in the temperature of inversion when the temperature of the cold junction is equal to 20°C is
(A) 2% (B) 3% (C) 4% (D) 5%
10. In which of the following circuits the maximum power dissipation is observed?
(A) a circuit having an inductor and a resistor in series (B) pure resistive circuit (C) pure inductive circuit (D) pure capacitive circuit
Class 12 Physics Model Questions
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