Science & Technology Mixed Quiz: Set 3

Chandrayaan 2 lifted off on 22 July 2019 on the heaviest Indian rocket then flying, the Geosynchronous Satellite Launch Vehicle Mark Three, which has since been renamed LVM3.

Bias in an artificial intelligence system is traced to three sources, the data it learns from, the algorithm that learns, and the people who build and use it; ability is not one of them, because the skill of a model is a measure of how well it performs, not a…

TV-D1, the first test vehicle abort mission, was launched from Sriharikota on 21 October 2023.

The Specific Absorption Rate measures how much radio energy from a handset the body takes in, in watts per kilogram of tissue.

The lander is named Vikram after Vikram Sarabhai, the physicist who founded the Indian space programme and is called its father.

Chandrayaan 1 was launched on 22 October 2008 from the Satish Dhawan Space Centre at Sriharikota and reached lunar orbit within a fortnight.

The crew module is the pressurised double walled cabin where the astronauts live, and it is the only part that returns to Earth, protected by a heat shield and lowered by parachutes.

Gaganyaan will fly on the LVM3, the heaviest Indian launch vehicle, modified and certified for carrying human beings and then written as HLVM3.

The Vikram lander of Chandrayaan 3 touched down safely in the high latitude region near the lunar south pole on that evening, and the rover Pragyan rolled out soon afterwards.

Pinaka is the multi-barrel rocket launcher built for the Indian Army by DRDO's Armament Research and Development Establishment, Pune, and named after the bow of Lord Shiva.

The Human Space Flight Centre, set up in 2019 as the ISRO centre responsible for the Gaganyaan programme, works from Bengaluru, which is also the location of the ISRO headquarters, the U R Rao Satellite Centre and the ISRO Telemetry, Tracking and Command Network.

The PSLV is unusual in alternating propellants between its stages: the first and third stages burn solid propellant and the second and fourth burn liquid propellant.

The Soviet Union was the first to place a craft gently on the lunar surface, the United States followed, and China became the third.

Launched in 2002 as METSAT, it was the first Indian satellite built only for weather work, and it was renamed Kalpana-1 in memory of Kalpana Chawla, the India-born astronaut who died in the Columbia accident of 2003.

Vyommitra, a name built from vyom for sky and mitra for friend, is a half-humanoid robot developed by ISRO to fly on an uncrewed Gaganyaan mission.

The American computer scientist John McCarthy is called the father of artificial intelligence because he coined the term itself in his proposal for the Dartmouth summer research project of 1956, the meeting at which the field was born.

The spot where the Vikram lander of Chandrayaan 3 touched down on 23 August 2023, in the high latitude region near the lunar south pole, was given this name shortly after the landing.

The Soviet cosmonaut Yuri Gagarin orbited the Earth once aboard Vostok 1 on 12 April 1961, becoming the first human being in space.

Chandrayaan 3 was deliberately built without one, because the orbiter of Chandrayaan 2 was still healthy in lunar orbit and could relay the lander's signals to the Earth.

China launched Yang Liwei aboard Shenzhou-5 in October 2003, becoming the third country after the Soviet Union and the United States to send a human into orbit on its own rocket and spacecraft.