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Mechanics
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Laws of Motion
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Center of Mass and Collision
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Gravitation
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Properties of Matter
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Oscillations
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Waves
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Electricity
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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
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Dual Nature of Radiation and Matter
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Semiconductor Electronics
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1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
If the lattice parameter for a crystalline structure is 3.6 $$\mathop A\limits^ \circ $$, then the atomic radius in fcc crystal is
A
2.92 $$\mathop A\limits^ \circ $$
B
1.27 $$\mathop A\limits^ \circ $$
C
1.81 $$\mathop A\limits^ \circ $$
D
2.10 $$\mathop A\limits^ \circ $$
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The voltage gain of an amplifier with 9% negative feedback is 10. The voltage gain without feedback will be
A
1.25
B
100
C
90
D
10
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
A p-n photodiode is made of a material with a band gap of 2.0 eV. The minimum frequency of the radiation that can be absorbed by the material is nearly
A
1 $$ \times $$ 1014 Hz
B
20 $$ \times $$ 1014 Hz
C
10 $$ \times $$ 1014 Hz
D
5 $$ \times $$ 1014 Hz
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons respectively. The material is

AIPMT 2007 Physics - Semiconductor Electronics Question 62 English
A
an insulator
B
a metal
C
an n-type semiconductor
D
a p-type semiconductor.
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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