1
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
If the speed of light in carbon disulfide and vacuum is X X and Y Y respectively, then
1
Y
2
Y
3
≥ Y
4
Y
2
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
A current through a horizontal power line flows in east to west direction. What will be the direction of magnetic field at a point directly below it when viewed from east end?
1
Clockwise in a plane perpendicular to the wire
2
Anti-clockwise in a plane perpendicular to the wire
3
Clockwise in a plane of parallel to the wire
4
Anti-clockwise in a plane of parallel to the wire
3
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one among the following elements is known to be discovered the earliest?
1
Copper
2
Gold
3
Oxygen
4
Uranium
4
NDA General Ability 13 April 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
When a light ray passes through from air to water with a non-zero angle the ray will be
1
bending towards the normal
2
bending away from the normal
3
propagating in straight line
4
reflected towards the opposite direction
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