Question

The Evidence Of Existence Of Which Noble Gas Was First Observed In India During A Solar Eclipse

Answer 1

Answer:

Helium

Explanation:

The first evidence of helium was observed on August 18, 1868, as a bright yellow line with a wavelength of 587.49 nanometers in the spectrum of the chromosphere of the Sun.

Answer 2

Answer:

A French astronomer spots an unknown element, now known as helium, in the spectrum of the sun during a much-anticipated total eclipse. The event marks the first discovery of an “extraterrestrial” element, as helium had not yet been found on Earth.