1
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Two balls, A and B are thrown simultaneously, A vertically upward with a speed of 20 m/s from the ground and B vertically downward from a height of 40 m with the same speed and along the same line of motion. At what points do the two balls collide by taking acceleration due to gravity as 9.8 m/s2 ?
A
The balls will collide after 3s at a height of 30.2 m from the ground
B
The balls will collide after 2s at a height of 20.1 m from the ground
C
The balls will collide after 1s at a height of 15.1 m from the ground
D
The balls will collide after 5s at a height of 20 m from the ground
2
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which of the following item is used in the household wirings to prevent accidental fire in case of short circuit?
A
Insulated wire
B
Plastic switches
C
Non-metallic coating on conducting wires
D
Electric fuse
3
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following circuit

Image

The equivalent resistance of the circuit will be
A
12 $$\Omega$$
B
8$${{11} \over {12}}$$ $$\Omega$$
C
9$${{1} \over {11}}$$ $$\Omega$$
D
$${{24} \over {25}}$$ $$\Omega$$
4
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
A racing car accelerates on a straight line from rest to a speed of 50 m/s in 25 s. Assuming uniform acceleration of the throughout, the distance covered in this will be
A
625 m
B
1250 m
C
2500 m
D
50 m
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