CDS GK Questions 2026

The force needed equals the rate at which the belt must give horizontal momentum to the falling sand: F = v × (dm/dt) = 2 × 0.1 = 0.2 N. Newton's second law, in its general form, says force equals the rate of change of momentum.

Fuji. Mount Fuji in Japan is a volcanic mountain, built up by layers of lava and ash, not by the folding of rock layers.

The rulers of Vijayanagara claimed to rule on behalf of the god Virupaksha, a form of Shiva and the guardian deity of Hampi.

These six ceremonial gates belong to the new Parliament House of India in New Delhi. The new Parliament building, part of the Central Vista project, was inaugurated in May 2023.

The four terrestrial planets do lie between the Sun and the asteroid belt, but they are dense, not light, and their weak gravity could not hold on to escaping gases.

Oyashio, Kuroshio, Alaska and Humboldt are currents of the Pacific Ocean, while Canaries, Labrador and Benguela flow in the Atlantic.

The Italian scientist Amedeo Avogadro proposed in 1811 that equal volumes of all gases, at the same temperature and pressure, hold the same number of molecules.

The Purga is a cold, snow-laden local wind of Siberia and the tundra of northern Russia. In winter, a strong high-pressure area builds over Siberia, which becomes one of the coldest places on Earth.

A plane mirror always forms an image that stands upright, cannot be caught on a screen, and has its left and right sides swapped.

A black hole forms when a very massive star collapses under its own gravity, and its pull becomes so strong that not even light can escape.

Article 46 asks the State to promote with special care the educational and economic interests of the weaker sections, in particular the Scheduled Castes and Scheduled Tribes.

All three projects, Baglihar, Dulhasti and Salal, stand on the Chenab river in Jammu and Kashmir. The Chenab is formed by the Chandra and Bhaga rivers, which meet at Tandi in Himachal Pradesh, and it flows through Jammu and Kashmir into Pakistan.

The 0° latitude is the Equator, the largest circle that can be drawn on the globe, so it is the longest parallel.

In uniform circular motion the speed stays the same, but the direction changes at every point, so the velocity keeps changing.

Antibodies are made by B-lymphocytes, a kind of white blood cell, after they meet a foreign antigen. When a germ or other foreign substance enters the body, B-lymphocytes that recognise its antigen multiply and turn into plasma cells.

Vitamin B1 is the chemical called thiamin (also spelt thiamine), the first of the B-complex vitamins to be identified. Thiamin is a water-soluble vitamin that helps the body turn carbohydrates into energy and keeps nerves and the heart working properly.

Statements III and IV describe the ionosphere and the mesosphere correctly, while I and II mix up facts about the troposphere and the ozone layer.

The Caucasus Mountains run for about 1,100 kilometres from the eastern shore of the Black Sea to the western shore of the Caspian Sea, forming a wall across the isthmus between the two seas.

The limestone hills around Sukkur and Rohri in Sindh contain rich beds of fine chert, a hard, flint-like stone. Excavations there have found hundreds of Harappan quarry and workshop sites, where long, sharp chert blades were struck in large numbers and sent to towns across Sindh, including Mohenjodaro.

Ayodhya is not counted among the centres of the Revolt of 1857; in Awadh the rising was centred on Lucknow, the capital.