Explanation

Annapurna is a mountain situated in the Annapurna mountain range of Gandaki Province, north-central Nepal. Annapurna, Nepali

Highest point: Annapurna I

The name for the range comes from the Hindu deity Annapurna meaning the giver of food and nourishment 

The Annapurna massif contains six prominent peaks over 7,200 m (23,620 ft) elevation

The Annapurna Conservation Area (7,629 km2) is a well-known trekking region. 

Explanation

Founder of Bait ul muqadas Sulaymaan (A S)

Bait al-Maqdis, Bayt al-Maqdis, or Bayt al-Muqaddas  is an Arabic name and a common designation for Jerusalem in the Arabic language

In 637 or 638, Caliph Umar traveled to Jerusalem in person to receive the submission of the city. The Patriarch thus surrendered to him.

The Muslim conquest of the city solidified Arab control over Palestine, which would not again be threatened until the First Crusade in 1099.

Explanation

Ammar ibn Ali Al-Mawsili invented hypodermic syringe

Abu al-Qasim Ammar ibn Ali al-Mawsili was an important eleventh-century Arab Muslim ophthalmologist.

Ali Al-Mawsili 

Born on 900

Died on 1000

Abu al-Qasim Ammar ibn Ali al-Mawsili is mostly known for the invention of a hypodermic syringe, which he used to remove cataracts, a major cause of blindness.

Explanation

The semiconductor band Gap is half-filled.

The term "band gap" refers to the energy difference between the valence band's top and the conduction band's bottom.

The band gap phenomenon occurs when two adjacent allowed bands are not wide enough to span the full range of electron energy levels.

Explanation

. LASER  stands for Light Amplification by Stimulated Emission of Radiations

LASER types

• Gas LASER
• Semiconductor LASER
• Chemical LASER
• Liquid or Dye LASER
• Excimer LASER

Properties of LASER

Explanation

Hiroshima, a modern city on Japan’s Honshu Island

Hiroshima Founded by: Mōri Terumoto

total land area of 8,480km2

Hiroshima was largely destroyed by an atomic bomb during World War II.

Hiroshima is a city and capital of Hiroshima (prefecture)