We have provide GK MCQ Questions for physics GK questions with Answersfree PDF. Download based on the important concepts and topics given in the textbook as per new exam pattern. All these Physics GK MCQs Multiple Choice Questions with Answers provided here with detailed solutions. Use them as reference and be confident in the actual exam by practicing the MCQ Quiz Questions of Physics GK as much as you can. Each question has four options followed by the right answer.
MCQ Questions for Physics GK with Answers
Q1. The scientist who first sent electromagnetic waves to distant places is
(i) James Clerk Maxwell
(ii) Heinrich Hertz
(iii) Thomas Alva Edison
(iv) John Logie Baird
(iii) Thomas Alva Edison
Q2. What is the minimum number of logic gates in a VLSI?
(i) 10
(ii) 100
(iii) 1000
(iv) 10000
(iii) 1000
Q3. When a strong beam of light is passed through a colloidal solution, the light will
(i) Be scattered
(ii) Pass unchanged
(iii) Be absorbed
(iv) Be reflected
(i) Be scattered
Q4. Which of the following is correct?
(i) The nuclear force does not depend on the electric charge
(ii) The nuclear force is much weaker than the Coulomb force
(iii) Both a and b
(iv) None of the above
(i) The nuclear force does not depend on the electric charge
Q5. Lamberts law is related to
(i) Reflection
(ii) Refraction
(iii) Interference
(iv) Illumination
(iv) Illumination
Q6. How can a moving coil galvanometer be converted into a voltmeter?
(i) by introducing shunt resistance in parallel
(ii) by introducing shunt resistance in series
(iii) by introducing large resistance in series
(iv) None of the above
(iii) by introducing large resistance in series
Q7. A soap bubble shows colours when illuminated with white light. This is due to
(i) Diffraction
(ii) Polarisation
(iii) Interference
(iv) Reflection
(iii) Interference
Q8. What is the net magnetic field in a solenoid?
(i) product of the fields due to all the turns
(ii) equal to the field due to the largest turn
(iii) vector sum of the fields due to all the turns
(iv) arithmetic mean of the fields due to all the turns
(iii) vector sum of the fields due to all the turns
Q9. Golden view of sea shell is due to
(i) Diffraction
(ii) Dispersion
(iii) Polarization
(iv) Reflection
(iii) Polarization
Q10. What do we call the magnitude of the drift velocity per unit electric field?
(i) Current Density
(ii) Mobility
(iii) Conductance
(iv) Resistance
(ii) Mobility
Q11. Which of the following phenomenon helps to conclude that light is a transverse wave?
(i) Interference
(ii) Diffraction
(iii) Polarisation
(iv) Refraction
(iii) Polarisation
Q12. Which of the following is true about the force between two point charges as per the Coulomb’s law?
(i) inversely as the square of the distance between the charges
(ii) directly proportional to the product of the magnitude of the two charges
(iii) Both a and b
(iv) None of the above
(iii) Both (i) and (ii)
Q13. In quantum mechanics a particle is represented by a
(i) Wave
(ii) Wave packet
(iii) Particle
(iv) None of the above
(ii) Wave packet
Q14. What do we call the process taking place at constant pressure?
(i) Isochoric
(ii) Isobaric
(iii) Adiabatic
(iv) Isothermal
(ii) Isobaric
Q15. In a Laser (say neon laser) all the atoms emit the light waves of
(i) Same frequency
(ii) Same amplitude
(iii) Same phase
(iv) All of the above
(iv) All of the above
Q16. How many joules are there in one calorie?
(i) 3.186 J
(ii) 4.186 J
(iii) 5.186 J
(iv) 6.186 J
(ii) 4.186 J
Q17. A metal semiconductor junction diode is called __
(i) Schottky diode
(ii) Photo diode
(iii) Tunnel diode
(iv) P-N Junction diode
(i) Schottky diode
Q18. What is the speed of sound in air at 0 ºC?
(i) 3 x 108 m/s
(ii) 344 m/s
(iii) 441m/s
(iv) 331 m/s
(iv) 331 m/s
Q19. Solids which conduct electricity at higher temperature but not at lower temperature are called
(i) Super-conductor
(ii) Metallic-conductor
(iii) Semi-conductor
(iv) Insulator
(iii) Semi-conductor
Q20. What is a perfectly black body?
(i) A body which absorbs all the radiations incident on it
(ii) A body which has zero coefficient of linear expansion
(iii) A body which has zero absorptive power
(iv) A body painted black on all sides
(i) A body which absorbs all the radiations incident on it
Q21. A NOT gate can be implemented by:
(i) A single diode
(ii) Two diodes
(iii) A single resistor
(iv) A single transistor
(iv) A single transistor
Q22. In which of the following cases Doppler effect is not seen?
(i) When the velocity of source and listener is equal to or greater than the sound velocity
(ii) When source and listener moves in opposite direction
(iii) When the velocity of source and listener is less than the sound velocity
(iv) None of the above
(i) When the velocity of source and listener is equal to or greater than the sound velocity
Q23. The impurity atoms with which silicon should be doped to make p-type semiconductors are
(i) Phosphorus
(ii) Antimony
(iii) Boron
(iv) Germanium
(iii) Boron
Q24. What is the audible range of sound for human beings?
(i) 20 Hz to 2000 Hz
(ii) 200 Hz to 20000 Hz
(iii) 20 Hz to 20000 Hz
(iv) 2000 Hz to 20000 Hz
(iii) 20 Hz to 20000 Hz
Q25. For which one of the following, ”Diodes” are generally used for?
(i) Rectification
(ii) Amplification
(iii) Modulation
(iv) Filtration
(i) Rectification
Q26. What is the measure of the response of the ear to the sound known as?
(i) Pitch
(ii) Intensity
(iii) Loudness
(iv) Amplitude
(iii) Loudness
Q27. The complete form of ‘IC’ in electronics is
(i) Internal circuit
(ii) Independent circuit
(iii) Integrated circuit
(iv) Inbuilt circuit
(iii) Integrated circuit
Q28. Which of the following is correct about the rate of loss of heat of the body, as per the Newton’s law of cooling?
(i) It is directly proportional to the difference of body’s temperature and the surroundings
(ii) It is inversely proportional to the difference of body’s temperature and the surroundings
(iii) It is equal to the difference of body’s temperature and the surroundings
(iv) None of the above
(i) It is directly proportional to the difference of body’s temperature and the surroundings
Q29. The material used in the fabrication of a transistor is
(i) Aluminium
(ii) Copper
(iii) Silicon
(iv) Silver
(iii) Silicon
Q30. What is meant by Calorimetry?
(i) Measurement of heat
(ii) Measurement of temperature
(iii) Measurement of specific heat capacity
(iv) None of the above
(i) Measurement of heat
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