Explanation

• The Sun is a star.
• There are lots of stars, but the Sun is the closest one to Earth.
• It is the center of our solar system.
• The Sun is a hot ball of glowing gases.
• The sun is composed of layers made up almost entirely of hydrogen and helium.

Last verified on 13-03-2026

Explanation

• The ozone layer acts as Earth’s natural sunscreen, protecting life from the sun’s harmful ultraviolet (UV) radiation.
• UV radiation can cause skin cancer, eye damage, and harm to plants and animals.

Additional information:

• Chemical Formula: O₃ (three oxygen atoms)
• Layer Location: Stratosphere, 15–40 km above Earth
• Function: Absorbs UV-B and UV-C rays from the Sun
• Depletion Causes: Air pollution, CFCs, industrial chemicals
• Protection Measures: Reduce CFC use, ozone-friendly products

Last verified on 09-03-2026

Explanation

• A carbon microphone does not depend on the magnetic effect of current.
• Based on the variation of electrical resistance
• It converts sound vibrations into electrical signals 

Additional information 

Devices like electromagnets, electric bells, and ammeters work due to the magnetic effect of current.

Last updated on 09-03-2026

Explanation

Mohammed bin Salman (MBS) is the current crown prince, deputy prime minister((2022) and minister of defense of Saudi Arabia 

Mohammed was appointed crown prince on 21 June 2017, following the King's decision to depose Muhammad bin Nayef 

Last updated on 8-3-2026

Explanation

• Kartarpur Corridor is a visa-free border corridor between Pakistan and India for Sikh pilgrims.
• It is located in Narowal District, Punjab, Pakistan.
• The corridor allows Indian Sikhs to visit Gurdwara Darbar Sahib in Kartarpur.
• Opened: 9 November 2019
• Length: 4.7 km

Last verified on 07-03-2026

Explanation

• First International Match: 2 August 1948, led by Ali Iqtidar Shah Dara vs Belgium, won 2–0 at 1948 London Olympics.
  • World Hockey Cup Titles (4 times): 1971, 1978, 1982, 1994
  • 1971 World Cup: Pakistan defeated Spain to become champions.
  • 1994: Pakistan won the Hockey World Cup for the last time.
  • 2012 Hockey Champions Trophy: Pakistan beat India to win bronze.

Last verified on 06-03-2026

Explanation

Mean =  numbers of multiples/ sum of multiples of first five of 3

The average of the first five multiples of 3

= 3 + 6 +9 + 12 + 15 / 5

= 45/ 5

= 9

Last verified on 15-02-2026

Explanation

• Russia is the largest country in the world.
• With a total area of 17,098,242 Km² (6,601,665 mi²).
• Land area of 16,376,870 Km² (6,323,142 mi²).

List of Largest countries by area

Must read it

Which country has the largest population in the world?

Last verified on 09-02-2026

Explanation

The One Unit was the reorganization of the provinces of Pakistan 

Prime Minister Muhammad Ali Bogra led it on 22 November 1954

Passed on 30 September 1955

This program merged the four provinces of West Pakistan into a single province to parallel the province of East Pakistan

• West Punjab
• Sind
• NWFP
• Baluchistan

Additional information:

The One Unit scheme was dissolved on July 1, 1970

General Yahya Khan imposed Legal Framework Order No. 1970 to end the program

and reinstate the provisional status of the Four Provinces as of August 1947.

Explanation

The Angel commissioned to blow the Trumpet (Sur) on the Day of Judgment is Israfil 

Munkar and Nakir – The angels responsible for questioning the soul of a person who has died