Explanation

An optical fiber is a flexible,

transparent fiber made by drawing glass  or plastic

To a diameter slightly thicker than that of a human hair.

Explanation

The elements of the periodic table sorted by atomic number

Atomic number Name chemical element                 Symbol

1                         Hydrogen                                             H

2                         Helium                                                     He

3                         Lithium                                                      Li

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RY 15-01-2023

Explanation

The 2019–20 Australian bushfire season named Black Summer

The fires reached their peak during the summer months, from December 2019 to February 2020.

The extent of Damage:

• By early 2020, the bushfires had ravaged vast areas of Australia,
• burning an estimated 18 million hectares (44.5 million acres),
• destroying over 3,000 homes,
• and killing at least 33 people.

Explanation

Fahmeeda Mirza served as the 18th and only women Speaker of the National Assembly of Pakistan from March 2008 to June 2013.

Explanation

Joe Biden becomes 46th and oldest person ever to be elected as US President in U.S history.

According to Article II of the U.S. Constitution, the president must be a natural-born citizen of the United States, be at least 35 years old, and have been a resident of the United States for 14 years.

Explanation

The Imperial is a modernist style twin-tower residential skyscraper complex in the billionaires row of Mumbai, India.

Construction started: 2005

Completed: 2010

Explanation

Ashgabat, formerly Ashkhabad, city and capital of Turkmenistan.

The country Founded in 1881

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RY 15-01-2023

Explanation

India revoked Article 370 of its constitution on 5 August 2019. 

Article 370 grants special status to Kashmir.

Explanation

Alexander Graham Bell is credited with inventing the first practical telephone in 1876.

Graham Bell made the first-ever telephone call to his partner, Thomas Watson.

Explanation

Also known as Ghar Thawr and Ghar e Saur.

According to Islamic legends, this cave is where the Holy Prophet and his companion Abu Bakr al-Siddiq found shelter when fleeing from Quraish search parties.

The Prophet (PBUH) and his companion Abu Bakr (RA) hid for three days.