Defence GK Questions 2026

Friction is a non-conservative force because the work it does depends on the path taken and the energy it removes is lost as heat.

Under Article 279A of the Constitution, the Union Finance Minister is the Chairperson of the GST Council. Article 279A was added by the Constitution (One Hundred and First Amendment) Act, 2016, which brought in the Goods and Services Tax.

A microphone is a transducer that changes the pressure variations of sound into a matching electrical signal. In a common dynamic microphone, sound waves make a thin diaphragm vibrate.

Light slows down when it enters water from air, so a ray that strikes the surface at an angle bends towards the normal.

Vidarbha won the 2024-25 Ranji Trophy, beating Kerala in the final at the VCA Stadium in Nagpur. The final in March 2025 ended in a draw, and Vidarbha took the title on their first-innings lead.

In 2015-16 China was India's largest trading partner by total trade, that is exports plus imports. India's trade with China that year was about US$ 70 billion, but most of it was imports of electronics, machinery and chemicals, so India ran its largest bilateral trade deficit with China.

A light year is the distance that light travels in empty space in one year, so despite the word "year" it measures length, not time.

The provisions on citizenship and elections came into force on 26 November 1949, the day the Constituent Assembly adopted the Constitution.

Annie Besant became the international president of the Theosophical Society in 1907 and led it until her death in 1933.

Larsen & Toubro's Armoured Systems Complex at Hazira, near Surat in Gujarat, is India's first private sector unit for making howitzers.

The Gujarati film Hellaro, directed by Abhishek Shah, won the Golden Lotus for Best Feature Film at the 66th National Film Awards for films of 2018.

A desiccant is a substance that absorbs moisture from its surroundings and keeps things dry, and silica gel is the most widely used one.

A plane mirror always forms an upright image of the same size as the object, and the image cannot be caught on a screen.

The India State of Forest Report 2021 placed Madhya Pradesh first in India by total forest cover in area. The report is prepared every two years by the Forest Survey of India, Dehradun, under the Ministry of Environment, Forest and Climate Change, using satellite data.

By the conservation of momentum, the pistol moves back with 3 m s⁻¹, and the minus sign shows it moves opposite to the bullet.

The Raksha Mantri said counter-terrorism continues to be an important field of cooperation under the ADMM-Plus framework, and that India and Malaysia are co-chairing the Experts’ Working Group on Counter-Terrorism for the cycle that runs from 2024 to 2027.

This was the theme of the thirteenth ADMM-Plus, and the Defence Minister said it sits well with India’s foreign and defence policy thinking as well as the civilisational sentiment ‘Sarve Bhavantu Sukhinah’, the wish that all beings be happy.

The thirteenth edition of the ASEAN Defence Ministers’ Meeting-Plus was hosted at Cebu in the Philippines, and Raksha Mantri Rajnath Singh addressed it there on 29 October 2026, speaking on collective regional security, counter-terrorism and maritime cooperation.

Ashoka turned to Buddhism after the Kalinga war, but he neither abolished the death penalty nor disbanded his army. The Kalinga war, fought around 261 BCE in the eighth year of his reign, left over a lakh dead, and in Rock Edict XIII Ashoka records his deep remorse.

In May 2016 India signed agreements with Iran to develop the port of Chabahar, along with a trilateral transit pact with Iran and Afghanistan.