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PHYSICS MCQs

MCQs on Moving Coil Galvanometer

MCQs on Moving Coil Galvanometer Q1: The deflection θ is related to the electric current I in a galvanometer by the relation I ∝ θ I ∝ tan θ I ∝ sin θ I ∝ cos θ Answer: (a) I…

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2 years ago

MCQs on Waves Optics

MCQs on Waves Optics Q1: Polarisation phenomenon explains which nature of light? Transverse longitudinal Both transverse and longitudinal geometrical Answer: (a) Transverse Q2: A narrow slit is taken and a parallel beam of moving electrons is incident normally on it.…

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2 years ago

MCQs on Prism theory and Dispersion of light

MCQs on Prism theory and Dispersion of light Q1: The critical angle between an equilateral prism and air is 45. If the incident ray is perpendicular to the refracting surface, then It is reflected totally from the second surface and…

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2 years ago

MCQs on Electromagnetic Spectrum

MCQs on Electromagnetic Spectrum Q1: Which of the following has a minimum wavelength? Gamma rays Blue light Infrared rays microwave Answer: (a) Gamma rays Q2: Which among the following has the maximum penetrating power? Radio waves Microwaves Ultraviolet radiation Gamma…

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2 years ago

MCQs on Perfectly Inelastic Collision

MCQs on Perfectly Inelastic Collision Q1: The coefficient of restitution e for a perfectly inelastic collision is 1 0 Infinity -1 Answer:(b) 0 Q2: When two bodies stick together after the collision, the collision is said to be Partially elastic…

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2 years ago

MCQs on Work Done by Variable Force

MCQs on Work Done by Variable Force Q1: There are two springs with the force constant as k1 and k2 (k1＞k2). They are stretched by the same force then More work is done in the first spring In both springs…

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2 years ago

MCQs on Uniform Circular Motion

MCQs on Uniform Circular Motion Q1: The angular velocity of a body moving with a constant speed v in a circle of radius r is given by v2/r vr v/r r/v Answer: (c) v/r Q2: A cyclist turns around a…

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2 years ago

MCQs on Horizontal Projectile Motion

MCQs on Horizontal Projectile Motion Q1: A stone is just released from the window of a train moving along a horizontal straight track. The stone will hit the ground following Hyperbolic path Straight path Circular path Parabolic path Answer: (d)…

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2 years ago

MCQs on Optical Instrument

MCQs on Optical Instrument Q1: A lens which converges a beam of parallel rays to a point is called Diverging (or concave) lens Converging (or convex) lens Plano concave lens Plano-convex lens Answer: (b) Converging (or convex) lens Q2: The…

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2 years ago

MCQs on Logic Gates

MCQs on Logic Gates Q1: An inverter gates can be developed using Two diodes Resistance and capacitance Transistor Inductance and capacitance Answer: (c) Transistor Q2: The output of the two-input OR gate is high Only if both inputs are high…

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2 years ago

MCQs on Semiconductor Diode

MCQs on Semiconductor Diode Q1: In the forward bias arrangements of a PN junction diode The N end is connected to the positive terminal of the battery The P end is connected to the positive terminal of the battery The…

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2 years ago

MCQs on Bipolar Junction Transistor

MCQs on Bipolar Junction Transistor Q1: For a transistor to operate in an active region what is the essential possible condition of biasing? Collector-base and emitter-base junctions are reverse biased. Collector-base junction is reverse biased and the emitter-base is forward…

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2 years ago

MCQs on Photodiode

MCQs on Photodiode Q1: Photodiode is used in the detection of Visible light Invisible light No light Both visible and invisible light Answer: (d) Both visible and invisible light Q2: In using a photodiode as a photodetector, it is invariably…

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2 years ago

MCQs on PN Junction Diode

MCQs on PN Junction Diode Q1: In a PN junction with no external voltage, the electric field between acceptor and donor ion is called a Peak Barrier Threshold Path Answer: (b) Barrier Q2: In a PN junction the potential barrier…

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2 years ago

MCQ on Series and Parallel Circuits

MCQ on Series and Parallel Circuits Q1: A certain circuit is composed of two parallel resistors. The total resistance is 1,403 Ω. One of the resistors is 2 Ω. The other resistor value is 1,403 Ω 4.7 kΩ 2 kΩ…

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2 years ago

MCQ on Junction Transistor

MCQ on Junction Transistor Q1. The emitter-base junction of a transistor is ………. Biased while the collector-base junction is …………. Reverse, Forward Reverse, Reverse Forward, forward Forward, reverse Answer: (d) Forward, reverse Q2: A NPN transistor conducts when Both collector…

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2 years ago