NDA questions
2295 published questions with worked solutions.
- In which of the following parts of organisms, the process of gaseous exchange during respiration does not take place?
- Which one of the following parts of an ovule possesses reserve food?
- Which one of the following respiratory volumes of human lung is the lowest?
- Consider the following statements : I. Earthquake waves are basically of two types, namely body waves and surface waves. II. The...
- Consider the following statements : I. In a seismograph, P waves are recorded earlier than S waves. II. In P waves, the...
- A bicycle racing track is a level circular road of radius 10 m. Three cyclists P, Q and R with identical cycles are cycling on...
- The bob of a simple pendulum is displaced from its mean position and then released from rest 0·20 m above its mean position. What...
- A tennis ball of mass 350 g is thrown vertically upwards at a speed of 4 m/s. If M is the maximum gravitational potential energy...
- Which of the following is correct regarding the total internal reflection at the interface between two different optical media ?
- Consider the following statements : I. The weight of an object is the same everywhere on the surface of the Earth, but its...
- Consider the following : I. Gravitational field due to a spherical body II. Electrostatic field due to a point charge III. Strong...
- While pouring water slowly from a jug, a general observation is that a water layer usually flows along the side of the jug. Which...
- A fish is at a depth d in water of refractive index 4/3. If a transparent slab of refractive index 3/2 and thickness d/2 is...
- A particle of mass m moves along x-direction under the force F(x) = F_0 (1 - x L ) for 0 x L. If the particle starts from rest at...
- On a rainy day, rain drops fall vertically with speed v. An observer is moving towards east with speed v, while another observer...
- What is the minimum horizontal speed given to the bob of a simple pendulum of length 50 cm so that it describes a complete circle...
- Two conducting wires made of the same material have lengths L and 1·2 L. If the volume of the longer wire is half that of the...
- A biconvex lens is made of a material of refractive index 2 such that the ratio of the radii of curvature of its two faces is 1 :...
- In a carrom game, a striker of mass 15 g hits a coin of mass 5 g head on and the coin moves with a speed of 0·36 m/s. If the time...
- A heating filament and an ideal resistor of fixed value are connected in series with a DC voltage source. After some time, the...