1
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Pressure is a scalar quantity because
A
it is the ratio of force to area and both force and area are vectors
B
it is the ratio of magnitude of force to area
C
it is the ratio of component of force (normal to area) to area
D
None of the above
2
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A person is unable to read a newspaper without his glasses. He is most probably suffering from
A
myopia
B
presbyopia
C
astigmatism
D
hypermetropia
3
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The free fall acceleration g increases as one proceeds at sea level, from the equator towards either pole. The reason is
A
earth is a sphere with same density everywhere
B
earth is a sphere with different density at the polar regions than in the equatorial regions
C
earth is approximately an ellipsoid having its equatorial radius greater than its polar radius by 21 km
D
earth is approximately an ellipsoid having its equatorial radius smaller than its polar radius by 21 km.
4
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statement is correct?
A
The measurement of mass taken by a spring weighing balance is correct at the place where the spring balance is calibrated for.
B
The measurement of mass taken by a spring weighing balance is correct at all places.
C
The measurement of mass taken by a spring weighing balance is correct at the places where the acceleration due to gravity is same with the place where the spring balance is calibrated for.
D
A spring balance cannot be used to measure mass at any place.
Questions Asked from Marks 2.5