NDA questions
2295 published questions with worked solutions.
- The universal constant of gravitation G has the unit
- Two bodies of unequal masses are dropped from a tower. At any instant, they have equal
- The frequency (f), wavelength ( ) and speed (v) of a sound wave are related as
- Which one of the following is NOT a basic property of electric charge ?
- When a solid body is partially or completely immersed in a fluid, the fluid exerts an upward force on the body. The magnitude of...
- Which one of the following is dimensionless quantity ?
- A system that does NOT allow exchange of heat with its surrounding is called
- A current through a horizontal power line flows in east to west direction. What will be the direction of magnetic field at a...
- Which one among the following elements is known to be discovered the earliest ?
- When a light ray passes through from air to water with a non-zero angle the ray will be
- Which one of the following equations related to the motion of an object is NOT correct ? (Symbols carry their usual meanings)
- If three resistors of 1 Ohm each connect in parallel to each other the resultant resistance is
- We hear an echo due to
- At uniform speed the acceleration is
- The focal length of a concave lens is 0·5 m. The power of the lens is
- The rule to determine the direction of a force experienced by a straight current carrying conductor placed in a magnetic field...
- Which one of the following statements for second law of motion is NOT correct ?
- The temperature of a body increases from 310 K to 340 K. The temperature increase in degree Celsius is
- Which one of the following statements for the work done by gravity on a body is NOT correct ?
- Which one of the following wavelength radiations may correspond to an X-ray ?