Defence GK Questions 2026

He held the office from June 1948 until 26 January 1950, when India became a republic and the post was replaced by that of the President.

Pulling the hands back stretches the time in which the ball stops, so its deceleration and the force on the hands become smaller.

Vision is caused by the electric field of light acting on the light-sensitive molecules of the retina. Light is an electromagnetic wave in which electric and magnetic fields oscillate at right angles to each other and to the direction of travel.

Among the alkali metals, reactivity with water increases down the group, so lithium, at the top, is the least reactive.

Kalakot lies in the Reasi district of Jammu and Kashmir, in the foothills of the Himalaya. India's coal is of two ages.

Washing soda is sodium carbonate decahydrate, sodium carbonate with ten molecules of water of crystallisation.

The energy gained is the charge of the electron multiplied by the potential difference it crosses. Energy W = qV.

The National Water Academy functions at Khadakwasla in Pune, Maharashtra, under the Central Water Commission. The academy began in 1988 as the Central Training Unit of the Central Water Commission and was renamed the National Water Academy in 1997.

The statement is Kirchhoff's voltage (loop) law, and it follows from the fact that energy is neither created nor destroyed.

Red, green and blue are the primary colours of light because mixing them in different proportions produces all other colours.

The Act of 1861 enlarged the Governor General's Executive Council for law-making by adding extra members, and it was the Governor General who nominated them.

Deep-sea divers breathe a mixture of oxygen and helium because helium does not dissolve much in blood under high pressure.

Besides the nucleus, these are the only organelles of a plant cell that carry their own DNA. Mitochondria and chloroplasts have small circular DNA molecules and their own 70S ribosomes, so they can make some of their own proteins and divide on their own.

Taxes were a source of revenue for running the state, not a means of claiming exalted status. Ancient Indian kings used several devices to raise their standing.

Democracy rests on the consent of the people and their equal political rights, while accountability runs from the rulers to the ruled, not the other way round.

A body sinks when its weight is greater than the buoyant force of the water it displaces, which happens when it is denser than water.

At uniform speed the net force is zero, so the upward force must equal the skydiver's weight. Weight is mass times the acceleration due to gravity: 60 kg × 9.8 m/s² = 588 N, acting downward.

With no external force on the system, its centre of mass cannot start moving. The throw is an internal force: X pushes the tool forward and the tool pushes X backward with an equal and opposite force (Newton's third law).

The three word motto, faster, higher, stronger, was coined by Father Henri Didon and taken up by Pierre de Coubertin for the modern games; in 2021 the International Olympic Committee added the fourth word so that the motto now reads faster, higher, stronger, together, to stress solidarity along with individual…

The ILO was set up in 1919 under the Treaty of Versailles, became the first specialised agency of the United Nations in 1946, has its headquarters at Geneva and works on a tripartite basis with governments, employers and workers.