Correct Answer : Tungsten
Incandescent light bulbs consist of an air-tight glass enclosure (the envelope, or bulb) with a filament of tungsten wire inside the bulb, through which an electric current is passed.
Correct Answer : 98
Correct Answer : Au
Gold, symbol Au, is a soft yellow element. It is a good thermal and electrical conductor and has an atomic number of 79 and an atomic weight of 196.967. Gold; it's chemical symbol is Au and it's the most malleable and ductile of the known metals. Gold is the highly sought-after because of it's valuable uses.
Correct Answer : 20
In geometry, an icosagon or 20-gon is a twenty-sided polygon.
Correct Answer : Helium
Helium is a special gas called a Noble Gas, which means it doesn't burn. When a match is held near a helium-filled balloon, the balloon pops.
Correct Answer : Pascal
The SI unit for pressure is the pascal (Pa), equal to one newton per square metre (N/m², or kg·m⁻¹·s⁻²).
Correct Answer : Trinity
On 16 July 1945, the 'Trinity' nuclear test plunged humanity into the so-called Atomic Age. The first-ever nuclear bomb was detonated in New Mexico, at the Alamogordo Test Range. Nicknamed the “gadget”, the plutonium-based implosion-type device yielded 19 kilotons, creating a crater over 300 metres wide.
Correct Answer : Dakshin Gangotri
Dakshin Gangotri was the first scientific base station of India situated in Antarctica, part of the Indian Antarctic Programme. It is located at a distance of 2,500 kilometres (1,600 mi) from the South Pole.
Correct Answer : Cuttuck
The Central Rice Research Institute is located in Cuttack in Odisha state (200N, 860E) at 24 meters above mean sea level (MS1). The annual rainfall at Cuttack is about 1200 – 1500 millimeters and is received mostly during June-October (Kharif or Wet Season).
Correct Answer : Subhash Mukhopadhyay
Subhash Mukhopadhyay (16 January 1931 – 19 June 1981) was an Indian scientist, physician from Hazaribagh, Bihar and Orissa Province, British India (now in Jharkhand, India), who created the world's second and India's first child using in-vitro fertilisation.