Explanation

Nobel Peace Prize winner Malala Yousafzai has "tied the knot" with her partner Asser Malik during an Islamic ceremony in Birmingham. 

Nobel laureate Malala Yousafzai got married on 9 November 2021 

About Malala Yousafzai

Born: 1997

Belongs: Mingora, Swat

Received Noble Prize in 2014

She is the youngest Nobel Prize laureate 

International Malala Day is observed every year on July 12 

celebrate the life and legacy of Pakistani education activist and Nobel laureate Malala Yousafzai.

Malala Day theme 2023:  I am Malala

Explanation

Simone Biles is considered one of the greatest and most dominant gymnasts of all time.

Simone Biles was named Athlete of the Year for the year 2021 by Times Magazine in December 2021.

Explanation

On 13-Dec-2021  Pakistan has confirmed its first case of the Omicron COVID-19 variant, in Karachi, the country's National Institute of Health (NIH) 

while

26 November 2021 WHO declared that the world was facing a new variant of concern: Omicron.

Explanation

The 2021 Khyber Pakhtunkhwa local elections in 19 December 2021

The first phase of the election was held in 17 districts.

Jamiat Ulema-e-Islam (F) won the most seats.

On 13 February 2022 re-voting of the first phase was held in 13 different districts

while

In the second phase, PTI won the most vote by 31 seats while JUI (F) won 5 seats and Independent won 12 seats.

Explanation

Light Emitting Diodes are light sources that are energy efficient and can be made in a variety of colors.

Gallium is a soft, silvery metal used primarily in electronic

circuits, semiconductors, and light-emitting diodes (LEDs).

LEDs are comprised of compound semiconductor materials, which are made up of elements from group III and group V of the periodic table

SH5-8-2023

Explanation

Ball bearing reduces friction by using smooth balls lubricated with oil or grease

that freely roll between a smooth inner and outer surface.

SH5-8-2023

Explanation

Copper has a lower resistivity and is a better conductor of electricity than iron.

 The conductivity of copper 5.98*10^7

Sh5-8-2023

Explanation

Refrigerators are cooled through the evaporation of a volatile liquid that is,

they use a liquid that evaporates very easily,

and this evaporation creates a cooling effect.

Explanation

In order to keep balance, it is important to have the feet between the centre of gravity and the centre of the Earth.

In case of climbing upwards, it is necessary to lean forward in order to keep the feet straight below the centre of gravity.

Explanation

In solar furnaces, concave mirrors are used for converging the sun's rays.

concept:

Concave mirrors reflect and focus incoming light rays (parallel) at a point, called the focus point.

Depending on the distance of an object from the reflecting surface, different types of images are formed.