1
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The following items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the codes given below.
Statement I Sound waves cannot propagate in vacuum.
Statement II Sound waves are elastic waves and require a medium to propagate.
Statement II Sound waves are elastic waves and require a medium to propagate.
2
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The frequency of ultrasonic waves is
3
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The magnetic field strength of a current carrying wire at a particular distance from the axis of the wire
4
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A stainless steel chamber contains Ar gas at a temperature T and pressure p. The total number of Ar atoms in the chamber is n. Now, Ar gas in the chamber is replaced by CO2 gas and the total number of CO2 molecules in the chamber is n/2 at the same temperature T. The pressure in the chamber now is p'. Which one of the following relation holds true? (Both the gases behave as an ideal gas)
Questions Asked from Physics (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
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
Calculus
English
General Studies