CDS Previous Year GK Questions

Kinetic energy equals p²/2m, so doubling the momentum p makes the kinetic energy four times as large. Momentum is p = mv and kinetic energy is KE = ½mv².

Mass by mass percentage is the mass of solute divided by the mass of the whole solution: 20 ÷ (20 + 180) × 100 = 10%.

The Portuguese traveller Domingo Paes visited Vijayanagara and left a detailed account of the capital. Paes came to Vijayanagara around 1520, during the reign of Krishnadeva Raya, the greatest ruler of the Tuluva dynasty.

The Assamese poet Nilmani Phookan received the 56th Jnanpith Award and the Konkani writer Damodar Mauzo the 57th; both were announced together in December 2021.

The rock inscription at Kudumiyamalai records groups of musical notes set out by a king for his pupils. Kudumiyamalai is in the Pudukkottai district of Tamil Nadu.

Isonif, isohel and isohaline are matched correctly; an isohypse joins places of equal height, not equal cloudiness. An isoline joins points on a map that have the same value of something.

National Waterway 2 is the 891 km stretch of the Brahmaputra between Sadiya and Dhubri in Assam. It was declared a national waterway in 1988 and is managed by the Inland Waterways Authority of India, set up in 1986 with its headquarters at Noida.

Census is entry 69 of the Union List, so placing it in the Concurrent List is the wrong pair. The Seventh Schedule divides legislative subjects among the Union List, the State List and the Concurrent List under Article 246.

The Onge, the Jarawa and the Sentinelese are all native tribes of the Andaman Islands.

A pendentive is the curved triangular piece in the corner of a square room that carries the round base of a dome down onto the arches below.

Light keeps to a straight line only while its speed stays the same, which happens in a homogeneous, transparent medium.

. Cathode rays behave the same whatever gas is in the tube, so the statement that they depend on the gas is not correct.

The Bengali poet Shankha Ghosh received the 52nd Jnanpith Award, for the year 2016. The Jnanpith Award is given by the Bharatiya Jnanpith trust for an outstanding contribution to literature in Indian languages, and is India's highest literary honour.

High-yielding variety seeds came only in the mid-1960s with the Green Revolution, not immediately after Independence. After Partition, India lost much of its irrigated wheat and rice land to Pakistan and faced food shortages.

. The Act set aside the Missouri Compromise and let the settlers of the two territories decide on slavery by vote.

Monpa is spoken in Arunachal Pradesh, not in Jammu and Kashmir. The Monpa people live mainly in the Tawang and West Kameng districts of Arunachal Pradesh, and their language belongs to the Tibeto-Burman group.

Pragyan was a six-wheeled rover carried inside the Vikram lander. Chandrayaan-2 was launched on 22 July 2019 by the GSLV Mk III with an orbiter, the Vikram lander and the Pragyan rover.

Silver reacts with sulphur compounds in the air, mainly hydrogen sulphide, and forms a black coating of silver sulphide. This blackening is the tarnishing of silver, a kind of corrosion.

The 1598 farman allowed the Jesuit fathers to build a church at Cambay. Cambay was a busy port on the Gulf of Khambhat where Portuguese traders and missionaries were active.

Article 80(3) lists literature, science, art and social service as the fields for the President's nominations, and state service is not among them.