1
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
In a solenoid, the current flowing through the wire is I and number of turns per unit length is n. This gives a magnetic field B inside the solenoid. If number of turns per unit length is increased to 2n, what will be the value of magnetic field in the solenoid?
2
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statements is correct about the magnification of an optical microscope?
3
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Colour vision in human eyes is the function of photoreceptor cells named
4
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The radii of curvature of the faces of a double convex lens are 10 cm and 20 cm. The refractive index of the glass is 1.5. What is the power of this lens?
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