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1
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statements is not correct?
A
Human eye is a refracting system containing a diverging lens.
B
The retina of the human eye contains millions of light sensitive cells, called rods and cones, which convert the light into electrical messages.
C
Every image that is focused on the retina is upside down.
D
We need both eyes to judge the relative positions of objects accurtely.
2
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statements is not correct?
A
Ultrasonic waves cannot get reflected, refracted or absorbed.
B
Ultrasonic waves are used to detect the presence of defects like cracks, porsity, etc. in the internal structure of common structure materials.
C
ultrasonic waves can be used for making holes in very hard materials like diamond.
D
Ultrasonic waves cannot travel through vacuum.
3
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
An object moves in a circular path with a constant speed. Which one of the following statements is correct?
A
The centripetal acceleration of the object is smaller for a gentle curve (i.e. curve of larger radius) than that for a sharp curve (i.e. curve of smaller radius).
B
The centripetal acceleration is greater for a gentle curve than that for a sharp curve.
C
The centripetal acceleration is the same for both the gentle and sharp curves.
D
The centripetal acceleration causes the object to slow down.
4
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The force acting on a particle of mass m moving along the X-axis is given by F(x) = Ax2 $$-$$ Bx. Which one of the following is the potential energy of the particle?
A
2Ax $$-$$ B
B
$$ - {{{x^2}} \over 6}(2Ax - 3B)$$
C
Ax3 $$-$$ Bx2
D
Zero
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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