MCQs on Cyclotron
MCQs on Cyclotron Q1: The angular frequency of a cyclotron is independent of Speed Mass Magnetic field Charge Answer: (a) Speed Q2: The maximum kinetic energy of the positive ion…
MCQs on Photoelectric Effect
MCQs on Photoelectric Effect Q1: Photoelectric effect was explained by Einstein Faraday Plank Hertz Answer: (a) Einstein Q2: In a photoelectric experiment for 4000 Å incident radiation, the potential difference…
MCQs on Optical Microscope
MCQs on Optical Microscope Q1: What is the ratio of resolving power of an optical microscope for wavelengths λ1= 4000 Å and λ2= 6000 Å? 2:3 3:2 6:25 16:9 Answer:…
MCQs on Fibre Optics
MCQs on Fibre Optics Q: Data signal with minimum error is generated by which among the following Signal processing circuits Photodiode Linear circuitry None of the above Answer: (c) Linear…
MCQs on Elastic and Inelastic Collision
MCQs on Elastic and Inelastic Collision Q1: The principle of conservation of linear momentum can be strictly applied during a collision between two particles provided the time of impact is…
MCQs on Work Done by Constant Force
MCQs on Work Done by Constant Force Q1: If the unit of force and length each be increased by four times, then the unit of energy is increased by 16…
MCQs on Conservation of Energy and Momentum
MCQs on Conservation of Energy and Momentum Q1: Work done in raising a box depends on How fast it is raised The strength of the man The height by which…
MCQs on Non-uniform Circular Motion
MCQs on Non-uniform Circular Motion Q1: A bottle of soap water is grasped by the neck and swings briskly in a vertical circle. Near which portion of the bottle do…
MCQs on Radioactivity
MCQs on Radioactivity Q1: The neutral atoms of all isotopes of the same element contain the same number of __________. neutrons only. Electrons Mass numbers Masses Answer: (b) Electrons Q2:…
MCQs on Zener Diode
MCQs on Zener Diode Q: In a Zener diode with a high breakdown voltage has Lightly doped P and N P or N is lightly doped Heavily doped P and…
MCQs on Oscillation
MCQs on Oscillation Q1: The time period of a simple pendulum is T remaining at rest inside a lift. Find the time period of the pendulum when the lift starts…
MCQs on Digital Electronics
MCQs on Digital Electronics Q: Boolean Algebra is essentially based on Truth Logic Symbol Numbers Answer: (b) Logic Q: The logic behind NOR gate is that it gives HIgh output…
MCQs on Transistor
MCQs on Transistor Q1: The base of a transistor is …………. doped Moderately Lightly Heavily None of the above Answer: (b) Lightly Q2: How many depletion layers are there in a…
MCQs on Tunnel Diode
MCQs on Tunnel Diode Q1: The tunnel diode is mainly used For very high speed of switching To control the power For rectification For fact chopping Answer: (a) For very…
MCQs on RLC Circuit
MCQs on RLC Circuit Q1: A 6.8 kΩ resistor, a 7 mH coil, and a 0.02 μF capacitor are in parallel across a 17 kHz ac source. The coil’s internal…
MCQs on Valve Electronics (Diode and Triode)
MCQs on Valve Electronics (Diode and Triode) Q1: Number of secondary electrons emitted per number of primary electrons depends on Material of target Frequency of primary electrons Intensity None of…
MCQs on Electromotive Force (EMF)
MCQs on Electromotive Force (EMF) Q1. The flux used in the equation for the calculation of induced emf in a transformer is in its RMS value Average value Maximum value…
MCQs on Impedance
MCQs on Impedance Q1: What is the value of input impedance of a quarter-wave line 50 ohm and the load impedance of 20 ohms? 50 20 1000 125 Answer: (d)…
MCQs on Oscillator
MCQs on Oscillator Q1: Which among the following parameters acts as an initiator for the operation of an oscillator in the absence of input signal? Noise figure Noise voltage Noise…
MCQs on Nuclear fission and Nuclear fusion
MCQs on Nuclear fission and Nuclear fusion Q1: The splitting of a nucleus into smaller nuclei is Fusion Fission Half-life gamma -radiation Answer: (b) Fission Q2: Name the moderator used…
MCQs on Viscosity
MCQs on Viscosity Q1: Which of the following represents viscosity? Potential energy stored in fluid Resistance to fluid motion Roughness of the surface The pressure difference between the two fluids…