Railway GK Questions 2026

For lenses in contact the powers simply add, and here they are +2 D and +4 D. The power of a lens is the reciprocal of its focal length in metres, P = 1/f, and its unit is the dioptre.

Kandla Port in the Kutch district of Gujarat was renamed Deendayal Port in 2017 after Pandit Deendayal Upadhyaya. Kandla was developed in the 1950s on the Gulf of Kutch to replace the trade that India lost when Karachi went to Pakistan at Partition.

Soap micelles are large enough to scatter the light passing through the solution, and this scattering makes soapy water look cloudy.

Sir Benegal Narsing Rau was appointed Constitutional Adviser to the Constituent Assembly and prepared its first draft of the Constitution in October 1947.

The Kaleshwaram Lift Irrigation Project is built on the Godavari river in Telangana and is often described as the world's largest multi-stage lift irrigation scheme.

Lying between India and Sri Lanka off Tamil Nadu, it is built around a chain of 21 small islands with estuaries, beaches, coral reefs, salt marshes, seagrass beds and mangroves.

The iron stirrup gave the rider a firm seat, and that firm seat made the lance charge possible, so both statements are correct.

These four outer planets are the gas planets, also called Jovian planets, made mostly of hydrogen, helium, ices and liquids rather than rock.

The Constitution reserves seats in Panchayats for Scheduled Castes and Scheduled Tribes, and it also lets Panchayats levy and collect taxes, so statement 2 is false.

Insolation, the incoming solar radiation, arrives mainly as short waves centred on visible light, but the Earth's curved surface spreads it unevenly, so statement 2 is false.

Arc volcanoes form above subduction zones at convergent plate boundaries, not at divergent ones, so statement 1 is false while 2 and 3 are true.

Lactose, the sugar of milk, is a disaccharide formed when one molecule of glucose joins one molecule of galactose. Disaccharides are sugars made of two simple sugar units, or monosaccharides, linked by a glycosidic bond.

Article 371D deals with Andhra Pradesh and now also Telangana; the special provision for Sikkim is Article 371F. Part XXI of the Constitution contains special provisions for several states in Articles 371 to 371J. Article 371D was added by the 32nd Amendment in 1973 to give the people of Andhra…

Both Shvetaketu and Nachiketa are young seekers in the Upanishads whose stories show that knowledge is won by asking questions and refusing easy answers.

Total internal reflection happens only when light inside a denser medium meets the boundary with a rarer one at an angle larger than the critical angle, and all of the light is reflected back.

South Arcot and Ramanathapuram lie on the Tamil Nadu coast, which gets most of its yearly rain from the retreating, or north-east, monsoon in October to December.

In graphite each carbon atom is joined to three others in a flat layer of hexagonal rings, like a honeycomb.

The Global Goalkeeper Award is one of the Goalkeepers awards the foundation gives to leaders who advance the United Nations Sustainable Development Goals.

The 42nd Constitutional Amendment Act, 1976, added the words Socialist, Secular and Integrity to the Preamble. Passed during the Emergency under Prime Minister Indira Gandhi, the 42nd Amendment is often called the "mini-Constitution" because it changed so many provisions.

The Atal Tunnel runs under the Rohtang Pass in Himachal Pradesh and cuts the road distance between Manali and Leh by about 46 km, saving four to five hours of travel.