This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “PhotoElectric Effect”. 1. During Einstein’s Photoelectric Experiment, what changes are observed when the frequency of the incident radiation is increased? a) The value of saturation current increases b) No effect c) The value of stopping potential increases d) The value of stopping … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Black Body Radiation”. 1. As the wavelength of the radiation decreases, the intensity of the black body radiations ____________ a) Increases b) Decreases c) First increases then decrease d) First decreases then increase 2. The radiations emitted by hot bodies are called … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Waves”. 1. When a pebble is dropped into a pond of still water, what happens? a) Particles move b) Waves move c) The pebble moves d) Water moves 2. Mechanical waves are called elastic waves. a) True b) False 3. What are … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Compton Effect”. 1. Which of the following is the characteristic of a black body? a) A perfect absorber but an imperfect radiator b) A perfect radiator but an imperfect absorber c) A perfect radiator and a perfect absorber d) A perfect conductor … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Mass Variation with Velocity”. 1. The lowest possible mass of a particle is its _____________ a) Relativistic mass b) Inertial mass c) Gravitational mass d) Rest mass 2. The rest mass of a photon is equal to ___________ a) Gravitational mass b) … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Mass Energy Relation”. 1. The basic theorem/principle used to obtain mass-energy relation is _____________ a) Heisenberg’s Uncertainty Principle b) Work-Energy Theorem c) Momentum Conservation Theorem d) Maxwell Theorem 2. Which of the following is Einstein’s mass energy relation? a) Ek = (m … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Law of Addition of Velocities”. 1. Two particles approach each other with a speed 0.8 c with respect to the laboratory. Their relative speed is ___________ a) 0.912 c b) 0.95 c c) 0.975 c d) 0.85 c 2. What would be … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Lorentz Transformation Equations”. 1. A rod of length 5 m is moving at a speed of 0.6 c. To an observer sitting perpendicular to the direction of motion, the length appears to be _______________ a) 5 m b) 4 m c) 3 … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Einstein’s Special Theory of Relativity”. 1. As an object approaches the speed of light, it’s mass becomes _____________ a) Zero b) Double c) Remains Same d) Infinite 2. If the sun radiates energy at the rate of 4 x 1026 Js-1, what … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Michelson – Morley Experiment”. 1. Which of the following were one of the conclusions of the Michaelson Morley experiment? a) All laws of physics remain invariant in all inertial frames b) Light propagates with different speeds in different directions c) Ether has … Read more
