NDA questions
2295 published questions with worked solutions.
- In a Telescope, compared to the eyepiece lens the objective lens has
- The energy, E, of a photon can be expressed as E = hf where f is the frequency and h is Planck's constant. The dimensions of h...
- The work done by the force acting on an object is zero if the displacement of the object
- The magnetic field inside a current carrying very long solenoid is
- Which one of the following instruments can be used to measure –250°C temperature ?
- The quantity of heat needed to change unit mass of a substance from liquid to vapour without changing the temperature, is called
- The temperature at which "vapour pressure of the liquid in an open vessel becomes equal to the atmospheric pressure" is called
- Which one of the following statements about surface tension is correct ?
- A body sinks in water when
- Bottom of a tank containing water appears to be raised. It is due to
- Which one of the following radiations has longer wavelength ?
- The energy is always conserved for a system which is
- Suppose, a ball of mass M is thrown upwards from a point A and it reaches up to the highest point B and returns back to point A,...
- The reaction that occurs on passing carbon dioxide gas through lime water is
- Which one of the following type of medicines is used for treating indigestion ?
- Which one of the following is NOT a heterogeneous mixture ?
- Which one of the following is an endothermic reaction ?
- Consider the following statements with reference to sea waves : 1. The height of waves is determined by wind speed, wind...
- The book 'The Origin of Species by Means of Natural Selection' was authored by
- The amount of air breathed in and out during a normal respiration by human lungs is referred to as