NDA questions
2295 published questions with worked solutions.
- A stainless steel chamber contains Ar gas at a temperature T and pressure P. The total number of Ar atoms in the chamber is n....
- Which one of the following is the correct relation between Å and nm?
- If a free electron moves through a potential difference of 1 kV, then the energy gained by the electron is given by
- Which one of the following reactions will give NO (nitric oxide) gas as one of the products?
- Which one of the following is a tribasic acid?
- The oxygenated blood from the lungs is received by the
- The oxygen evolved during photosynthesis comes from splitting of
- Which one of the following depicts the correct circuit of a reflex arc?
- If one set of chromosomes for a given plant is represented as N; in case of double fertilization, the zygote and the endosperm...
- The absolute zero temperature is 0 Kelvin. In °C unit, which one of the following is the absolute zero temperature?
- The time period of oscillation of a simple pendulum having length L and mass of the bob m is given as T. If the length of the...
- The connecting cable of electrical appliances like electric iron, water heater or room heater contains three insulated copper...
- Consider the following statements about a microscope and a telescope : 1. Both the eyepiece and the objective of a microscope are...
- A planet has a mass M_1 and radius R_1. The value of acceleration due to gravity on its surface is g_1. There is another planet...
- Which one of the following is an oxidation-reduction reaction?
- The wavelength of X-rays is of the order of
- If the focal length of a convex lens is 50 cm, which one of the following is its power?
- The coefficient of areal expansion of a material is 1 6 10^ -5 K ^ -1 . Which one of the following gives the value of coefficient...
- The refractive indices of two media are denoted by n_1 and n_2, and the velocities of light in these two media are respectively...
- Which one of the following statements is correct for a plane mirror?