Defence GK Questions 2026

A swing is a pendulum, and its speed is greatest at the lowest point, where all the potential energy gained at the top has turned into kinetic energy.

In simple harmonic motion the velocity is given by omega times the square root of A squared minus x squared.

The English engineer Thomas Savery patented a steam pump in 1698 and called it the Miner's Friend, as it was meant to pump water out of flooded mines.

The French set up their first factory in India at Surat in 1668, under François Caron. The French East India Company was founded in 1664 under the patronage of King Louis XIV and his minister Colbert, making it the last of the major European companies to reach India.

Napoleon defeated Austria at Wagram near Vienna in July 1809, and Austria signed the Treaty of Schönbrunn in October 1809.

Each half of the wire has a resistance of 10 Ω, and two 10 Ω resistors in parallel give 5 Ω. The resistance of a wire is R = ρL/A, so it is directly proportional to its length when the material and thickness stay the same.

The focus, also called the hypocentre, is the point inside the earth where the energy of an earthquake is first released and from where its waves start.

In myopia, or short-sightedness, a person sees near objects clearly but distant objects look blurred because their image forms in front of the retina.

The Lekhapaddhati is a collection of model legal and administrative documents from Gujarat, compiled around the thirteenth century. The text gives sample forms of documents that scribes used: land grants, sale deeds, loan bonds, mortgage papers, treaties between kings, and letters of appointment.

Where evapotranspiration is much greater than rainfall, water moves upward in the soil and calcium carbonate builds up near the surface.

Bhanumati is Chakrapanidatta's commentary on the Sushruta Samhita, the classical Indian text on surgery. Chakrapanidatta was a physician of eleventh-century Bengal, in the time of the Pala kings.

The Palar and the Pennar rise on the Karnataka plateau and flow east into the Bay of Bengal, while the Periyar and the Kalinadi flow west into the Arabian Sea.

These are the words of the Nobel committee's citation for Jimmy Carter, who received the Nobel Peace Prize in 2002.

In his famous Railway Minute of 1853, Governor-General Lord Dalhousie argued for a network of trunk railway lines, stressing their value for moving troops quickly.

The Luddites demanded a minimum wage and the right to form trade unions, while they opposed machinery that took away their work.

Two miscible liquids that form a homogeneous mixture are separated by distillation, which uses the difference in their boiling points.

Koradi Thermal Power Station stands at Koradi, a few kilometres north of Nagpur city in Maharashtra. The plant is run by MAHAGENCO, the Maharashtra State Power Generation Company, and burns coal from the mines of the Vidarbha region.

Olympe de Gouges wrote this in her Declaration of the Rights of Woman and the Female Citizen in 1791. Olympe de Gouges was a French writer and one of the most active women of the French Revolution.

The Venetian merchant Nicolo de Conti visited Vijayanagara around 1420, during the reign of Deva Raya I. Conti travelled widely in Asia and later told his story to the papal secretary Poggio Bracciolini, who wrote it down in Latin.

The Karachi session of March 1931 adopted the resolution on Fundamental Rights and National Economic Programme, which gave the State this role.