Here you will find GK MCQ Questions for physics GK questions with Answers PDF Free Download based on the important concepts and topics given in the textbook as per new exam pattern. This may assist you to understand and check your knowledge about the physics GK questions. Students also can take a free test of the Multiple Choice Questions of physics GK questions. Each question has four options followed by the right answer.
Q1.What is the name given to the linear strain produced in the direction of deforming force?
[A] Linear strain
[B] Longitudinal strain
[C] Directional strain
[D] Zero strain
Correct Answer: B [Longitudinal strain]
Q2.Which of the following electromagnetic waves are produced due to the radioactive decay of the nucleus?
[A] X-rays
[B] Gamma rays
[C] Radio waves
[D] UV rays
Correct Answer: B [Gamma rays]
Q3.What is meant by Calorimetry?
[A] Measurement of heat
[B] Measurement of temperature
[C] Measurement of specific heat capacity
[D] None of the above
Correct Answer: A [Measurement of heat]
Q4.What do we call a cell that induces a spontaneous redox reaction to create a flow of electrical charges?
[A] Voltaic cell
[B] Electrolytic cell
[C] Such cells don’t exist
[D] None of the above
Correct Answer: A [Voltaic cell]
Q5.Which of the following metal foils was used in the Rutherford’s alpha particle scattering experiment?
[A] Copper
[B] Silver
[C] Gold
[D] Aluminium
Correct Answer: C [Gold]
Q6.Which of the following factors do not affect the value of modulus of elasticity of a body?
[A] Nature of material
[B] Temperature of the body
[C] Length and volume and of the body
[D] None of the above
Correct Answer: C [Length and volume and of the body]
Q7.What part of the electromagnetic spectrum is detected by the human eye?
[A] Between 400 nm and 700 nm
[B] Between 40 nm and 70 nm
[C] Between 400 nm and 7000 nm
[D] Between 4 nm and 700 nm
Correct Answer: A [Between 400 nm and 700 nm]
Q8.What do we call the temperature and pressure at which solid, liquid, and vapor phases of a particular substance coexist in equilibrium?
[A] Equilibrium point
[B] Triple point
[C] Normal point
[D] None of the above
Correct Answer: B [Triple point]
Q9.Which of the following is correct NOT correct about inert electrodes?
[A] They serve as source of electrons
[B] They take part in the chemical reaction
[C] Both a and b
[D] None of the above
Correct Answer: B [They take part in the chemical reaction]
Q10.What is the total diode forward current?
[A] hole diffusion current
[B] difference between hole diffusion current and conventional current due to electron diffusion
[C] sum of hole diffusion current and conventional current due to electron diffusion
[D] None of the above
Correct Answer: C [sum of hole diffusion current and conventional current due to electron diffusion]
Q11.What is the force that is required to produce unit elongation in a wire known as?
[A] Bulk modulus
[B] Thermal strain
[C] Thermal stress
[D] Force constant
Correct Answer: D [Force constant]
Q12.Which of the following waves is absorbed by the ozone layer present in the atmosphere?
[A] Gamma
[B] Visible
[C] Radio
[D] Ultra violet
Correct Answer: D [Ultra violet]
Q13.What is the triple point of water?
[A] Temperature = -273.16 K, pressure= 6.11×10-6Pa
[B] Temperature = -273.16 K, pressure= 6.11×10-3 Pa
[C] Temperature = 273.16 K, pressure= 6.11×10-6 Pa
[D] Temperature = 273.16 K, pressure= 6.11×10-3 Pa
Correct Answer: D [Temperature = 273.16 K, pressure= 6.11×10-3 Pa]
Q14.What is the direction of current through external circuit in a galvanic cell?
[A] flows from cathode to anode
[B] flows from anode to cathode
[C] flows in both direction
[D] None of the above
Correct Answer: A [flows from cathode to anode]
Q15.Which of the following is NOT the criteria for material selection for a solar cell?
[A] It should be cost effective
[B] It should have a band gap between 1.0 and 1.7 eV
[C] It should have low absorption coefficient
[D] All of the above
Correct Answer: C [It should have low absorption coefficient]
Physics GK
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