NDA General Ability 14th September 2025

MCQ (Single Correct Answer)

-1.33

The focal length of a concave lens is 0.5 m. The power of the lens is

+0.5 D

-0.5 D

+2.0 D

-2.0 D

NDA General Ability 14th September 2025

MCQ (Single Correct Answer)

-1.33

The rule to determine the direction of a force experienced by a straight current carrying conductor placed in a magnetic field which is perpendicular to it is

Right-hand thumb rule

Fleming’s left-hand rule

Fleming’s right-hand rule

Hund’s rule

NDA General Ability 14th September 2025

MCQ (Single Correct Answer)

-1.33

One parsec in astronomical units (A.U.) is about

2 × 10³ A.U.

2 × 10⁴ A.U.

2 × 10⁵ A.U.

2 × 10⁶ A.U.

NDA General Ability 14th September 2025

MCQ (Single Correct Answer)

-1.33

Which one of the following statements for second law of motion is NOT correct ?

The net force on a body is proportional to that body’s acceleration

The net force on a body is in the same direction as the acceleration

The time rate of change of momentum is equal to force

The net force on a body is proportional to that body’s momentum

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