Explanation

The minimum velocity required to place or maintain a satellite in a given orbit is called orbital velocity.

Explanation

اقبال کے بارے میں ارشد گورگانی شاعر نے پہلے ہی کہہ دیا تھا کہ یہ شہرہ آفاق شاعر بنے گا۔

Explanation

Umrao Jaan Ada is an Urdu novel by Mirza Hadi Ruswa (1857–1931).

It was first published in 1899.

It is considered the first Urdu novel by many scholars.

The story revolves around a tawaif and poet named Umrao Jaan Ada from 19th-century Lucknow.

Explanation

• Know everything about BRICS: 
• BRICS founded: June 2009
  
• BRICS Member countries: Brazil, Russia, India, China, South Africa, Egypt, Ethiopia, Iran, Saudi Arabia and the United Arab Emirates
  
• BRICS total members: 10 
• South Africa joined BRICS: 2010
• BRICS headquarters: Shanghai, China
• BRICS first conference hosted by: Russia (2009) 

Explanation

An exclamation mark (❗) is used to express strong feelings or emotions.

As in "Wow, what a cold weather!"

Explanation

Hemostasis is the process to prevent and stop bleeding.

It involves blood components like proteins and platelets that help form clots.

Explanation

• Edward Teller is often referred to as the “father of the hydrogen bomb.”

•  After the Soviet Union detonated its first atomic bomb in 1949, Edward Teller worked to convince President Truman to develop a crash program for the hydrogen bomb, which he believed was feasible.

• Edward Teller was a Hungarian-American theoretical physicist

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Explanation

The area 5 degrees north to 5 degrees south of the Equator is known as the Doldrums.

This region experiences calm winds and low pressure, where the trade winds converge.

It often causing minimal wind activity.

Explanation

Lata Mangeshkar's first tutor was Ustad Aman Ali Khan, a renowned Hindustani classical singer and musician.

He was her initial mentor and taught her the basics of music and singing.

Explanation

The weight of an object at the center of the Earth is the same as its weight on the surface.

This might seem counterintuitive, but it's because the gravitational force acting on the object is proportional to the distance from the center of the Earth.

At the center, the distance is zero, but the gravitational force is also zero because the object is surrounded by equal amounts of mass in all directions.