1
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
2
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
3
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
4
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
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