1
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statement with regarding to expansion of materials due to heating is not correct?
A
As ice melts, it expands uniformly upto 4$$^\circ$$C.
B
Mercury thermometer works using the principle of expansion due to heating.
C
Small gap is kept between two rails to allow for expansion due to heating.
D
The length of the metallic wire increases when its temperature is increased.
2
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is not a form of stored energy?
A
Nuclear energy
B
Potential energy
C
Electrical energy
D
Chemical energy
3
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The motion of a car along a straight path is shown by the following figure

Image

The car starts from O and reaches A, B and C at different instants of time. During its motion from O to C and back to B, the distance covered and the magnitude of the displacement are respectively
A
25 km and 60 km
B
95 km and 35 km
C
60 km and 25 km
D
85 km and 35 km
4
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Water boils at a lower temperature at high altitudes, because
A
the air pressure is less
B
outside temperature is less
C
latent heat is less
D
None of the above
Questions Asked from Marks 2.5