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Mechanics
Units & Measurement
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Motion in a Straight Line
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Motion in a Plane
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Laws of Motion
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Work, Energy and Power
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Center of Mass and Collision
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Rotational Motion
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Gravitation
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Properties of Matter
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Heat and Thermodynamics
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Oscillations
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Waves
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Electricity
Electrostatics
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Current Electricity
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Capacitor
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Moving Charges and Magnetism
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Magnetism and Matter
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Electromagnetic Induction
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Alternating Current
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Electromagnetic Waves
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Optics
Geometrical Optics
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Wave Optics
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Modern Physics
Atoms and Nuclei
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Dual Nature of Radiation and Matter
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Semiconductor Electronics
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1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Zener diode is used for
A
amplification
B
rectification
C
stabilisation
D
producing oscillations in an oscillator.
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Application of a forward bias to a p-n junction
A
widens the depletion zone
B
increases the potential difference across the depletion zone
C
increases the number of donors on the n side
D
decreases the electric field in the depletion zone.
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Choose the only false statement from the following.
A
In conductors the valence and conduction bands overlap.
B
Substances with energy gap of the order of 10 eV are insulators.
C
The resistivity of a semiconductor increases with increase in temperature.
D
The conductivity of a semiconductor increases with increase in temperature.
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Of the diodes shown in the following diagrams, which one is reverse biased ?
A
AIPMT 2004 Physics - Semiconductor Electronics Question 50 English Option 1
B
AIPMT 2004 Physics - Semiconductor Electronics Question 50 English Option 2
C
AIPMT 2004 Physics - Semiconductor Electronics Question 50 English Option 3
D
AIPMT 2004 Physics - Semiconductor Electronics Question 50 English Option 4
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NEET Subjects
Physics
Mechanics
Units & MeasurementMotion in a Straight LineMotion in a PlaneLaws of MotionWork, Energy and PowerCenter of Mass and CollisionRotational MotionGravitationProperties of MatterHeat and ThermodynamicsOscillationsWaves
Electricity
ElectrostaticsCurrent ElectricityCapacitorMoving Charges and MagnetismMagnetism and MatterElectromagnetic InductionAlternating CurrentElectromagnetic Waves
Optics
Geometrical OpticsWave Optics
Modern Physics
Atoms and NucleiDual Nature of Radiation and MatterSemiconductor Electronics
Chemistry
Physical Chemistry
Some Basic Concepts of ChemistryStructure of AtomRedox ReactionsGaseous StateChemical EquilibriumIonic EquilibriumSolutionsThermodynamicsElectrochemistryChemical KineticsNuclear ChemistrySolid StateSurface Chemistry
Inorganic Chemistry
Periodic Table and PeriodicityChemical Bonding and Molecular StructureProcesses of Isolation of Elementss-Block ElementsHydrogenp-Block Elementsd and f Block ElementsCoordination CompoundsEnvironmental Chemistry
Organic Chemistry
Some Basic Concepts of Organic ChemistryHydrocarbonsHaloalkanes and HaloarenesAlcohol, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsOrganic Compounds Containing NitrogenPolymersBiomoleculesChemistry in Everyday Life
Biology
Botany
Cell - The Unit of LifeBiomoleculesCell Cycle and Cell DivisionSexual Reproduction in Flowering PlantsMicrobes in Human WelfareAnatomy of Flowering PlantsTransport in PlantsMineral NutritionRespiration in PlantsBiotechnology: Principles and ProcessesBiodiversity and ConservationThe Living WorldBiological ClassificationMorphology of Flowering PlantsPhotosynthesis in Higher PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionBiotechnology and It's ApplicationsOrganisms and PopulationsEnvironmental IssuesPlant KingdomPlant Growth and DevelopmentEcosystem
Zoology
Human Health and DiseasesBody Fluids and Its CirculationLocomotion and MovementNeural Control and CoordinationReproduction in OrganismsReproductive HealthStructural Organisation in AnimalsDigestion and AbsorptionExcretory Products and Their EliminationChemical Coordination and IntegrationHuman ReproductionAnimal KingdomBreathing and Exchange of GasesEvolution