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1
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following waves is used for detecting forgery in currency notes?
A
Ultraviolet waves
B
Infrared waves
C
Radio waves
D
Microwaves
2
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The majority charge carriers in a p-type semiconductors are
A
free electrons
B
conduction electrons
C
ions
D
holes
3
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The ionisation energy of hydrogen atom in the ground state is
A
13.6 Mev
B
13.6 eV
C
13.6 J
D
zero
4
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following devices changes low voltage alternating current to high voltage alternating current and vice-versa?
A
Generator
B
Motor
C
Transformer
D
Vibrator
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Questions Asked from Marks 2.5
NDA Subjects
Mathematics
Algebra
Sets, Relations and FunctionsLogarithmsQuadratic Equations and InequalitiesSequence And SeriesBinomial TheoremMatricesDeterminantsPermutations and CombinationsProbabilityComplex NumbersVector AlgebraThree Dimensional GeometryStatistics
Trigonometry
Trigonometric Angles and EquationsInverse Trigonometric FunctionHeight and DistanceProperties of Triangles
Coordinate Geometry
Coordinate System and Straight LineCircleParabolaEllipseHyperbolaConic Section
Calculus
FunctionsLimit, Continuity and DifferentiabilityDifferentiationApplication of DerivativesIndefinite IntegrationDefinite IntegrationArea Under The CurvesDifferential Equations
English
General Science
General Studies