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1
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Concave mirror is used in headlights of vehicles, because it
A
focuses light from the bulb onto nearly vehicles
B
sends parallel rays
C
fits well into the shape of the headlight
D
is cheaper than other mirrors
2
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If some object is weighed when submerged in water, then what will happen to its weight compared to its weight in air?
A
Increases
B
Decreases
C
Remains exactly the same
D
Increases or decreases cannot be predicted
E
Greater than 20 kHz
3
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statements about a satellite orbiting around the earth is correct?
A
Satellite is kept in orbit by remote control from ground station.
B
Satellite is kept in orbit by retro-rocket and solar energy keeps it moving around the earth.
C
Satellite requires energy from solar panels and solid fuels for orbiting.
D
Satellite does not required any energy for orbiting.
4
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statements about energy is correct?
A
Energy can be created as well as destroyed.
B
Energy can be created but not destroyed.
C
Energy can neither be created nor destroyed.
D
Energy cannot be created but can be destroyed.
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NDA Subjects
Mathematics
Algebra
Sets, Relations and Functions Logarithms Quadratic Equations and Inequalities Sequence And Series Binomial Theorem Matrices Determinants Permutations and Combinations Probability Complex Numbers Vector Algebra Three Dimensional Geometry Statistics
Trigonometry
Trigonometric Angles and Equations Inverse Trigonometric Function Height and Distance Properties of Triangles
Coordinate Geometry
Coordinate System and Straight Line Circle Parabola Ellipse Hyperbola Conic Section
Calculus
Functions Limit, Continuity and Differentiability Differentiation Application of Derivatives Indefinite Integration Definite Integration Area Under The Curves Differential Equations
English
Reading Comprehension Synonyms Antonyms Cloze Rearranging Sentences in a Paragraph Idioms and Phrases Word Classes Sentence Completion Improvement of Sentence
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Physics Chemistry Biology
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Polity Geography History Economy General Knowledge
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