SSC CGL GK Questions 2026

Radiation carries heat as electromagnetic waves, so it needs no material medium and can travel through a vacuum. This is how the heat of the Sun crosses empty space to reach the Earth, and why you feel warmth in front of a fire without touching it.

Ethyl alcohol, or ethanol, dissolves resins, gums, dyes and oils and also evaporates quickly, so paints, varnishes and polishes made with it dry fast; this makes it the common solvent of the paint industry.

Ampere-turns per metre, written AT/m, is the unit of magnetic field strength, because H is the magnetomotive force set up per unit length of the magnetic path.

An online store is a website or an app and not a shop with shutters, so it can take orders at any hour of any day, and that round-the-clock selling is one of the clear gains of e-commerce.

An electronic spreadsheet such as Microsoft Excel or LibreOffice Calc can filter, merge and sort data, so all three belong to its work and no single one of them is the answer.

Flipkart, Alibaba and Amazon run online marketplaces whose storefronts sell goods to individual shoppers, and a business selling to a consumer is business-to-consumer, or B2C. In this model a firm lists its products on a website or an app, the customer orders and pays online, and the goods reach the…

India's first cotton mill was set up in 1818 at Fort Gloster near Calcutta, at Bauria in present-day Howrah district, so Kolkata holds the first place in the story of the Indian cotton industry.

Mathura did stand on major trade routes, but those routes ran from the north-west to the east and from the north to the south, not from north to east and south to west as statement (A) puts it, so (A) is wrong as worded.

The German psychologist William Stern gave the term Intelligence Quotient in 1912, proposing that a child's mental age be divided by the actual age to express intelligence as a single number.

The Kothari Commission, which worked from 1964 to 1966, recommended the three language formula for schools, and the policy of 1968 later adopted it.

Iodine is the non-metal in the antiseptic painted on cuts and wounds, sold as tincture of iodine, which is a solution of iodine in alcohol.

All three are mixtures: wood is made of cellulose, lignin, water and resins, air is a mixture of nitrogen, oxygen and other gases, and sand is mostly silica mixed with mineral and shell grains.

Quick lime is calcium oxide, CaO, and not calcium carbonate, so it is the odd one out. Limestone, chalk and marble are all natural forms of calcium carbonate, CaCO3, differing only in how they were formed and in how hard they are.

Distilled water has had its dissolved salts removed, so it holds almost no free ions to carry charge and does not conduct electricity.

Time period is the time taken for one full oscillation, so it is the total time divided by the number of oscillations: 64 divided by 40 gives 1.6 seconds.

Insolation is the incoming solar radiation actually received by a unit area of the earth's surface, and how much of it a place receives decides how warm that place becomes.

The LPG supplied in household cylinders is mainly a mixture of butane and propane, two gases that turn liquid under moderate pressure.

Only at -40 do the two scales read alike, so -40 °C and -40 °F are the very same temperature.

SAMAR-SETU runs from the Central Agniveer Pay and Accounts Office and handles the pay accounts of more than 2.3 lakh Agniveers through fully automated processes, which is why work on it figured in the Raksha Mantri Awards for Excellence 2026.

The Treasury Single Account system, inaugurated for just-in-time release of funds to autonomous bodies under the Ministry of Defence, is fully integrated with RBI eKUBER.