Explanation

• The Battle of Badr is referred to as Yaumul Furqan (The Day of the Criterion / کسوٹی کا دن).
• It was the first battle of Islam.

• It was fought on 17 Ramadan, 2 AH (13 March 624 CE) near Badr, Madinah.
• Muslim Army: 313–317 (led by Muhammad SAW)
• Quraysh Army: 1,000 (led by Abu Jahl)
• Surah Al-Anfal mentions that Allah reinforced the Muslims with 1,000 angels during the Battle of Badr.

Additional information:

• Muhajirun: 82–85
• Ansar: 231 (61 Aws + 170 Khazraj)
• Horses: 2
• Camels: 70
• Muslims Martyred: 14
• Quraysh Killed: 70
• Quraysh Captured: 70

Last verified on 07-07-2026

Explanation

Use the formula: (n − 2) × 180°.

For a pentagon (n = 5): (5 − 2) × 180° = 540°.

Last verified on 06-07-2026

Explanation

• Gap since last Pakistani FM visit: 13 years
• Pakistani Foreign Minister: Ishaq Dar
• Country visited: Bangladesh
• Current visit: 23–24 August 2025
• Previous visit: 2012 (by Hina Rabbani Khar)

Last verified on 06-07-2026

Explanation

• Muslim League Leaders: Muhammad Ali Jinnah, Liaquat Ali Khan, Khwaja Nazimuddin
• Conference: Simla Conference
• Dates: 25 June – 14 July 1945
• Place: Simla (Shimla), India
• Convened by: Lord Wavell

Last verified on 06-07-2026

Explanation

• The Communal Award was announced in August 16, 1932.
• It was given by Ramsay MacDonald.
• It introduced separate electorates for different communities.
• Aimed to provide political representation to minorities.
• It came after the 3rd Round Table Conferences.

Last verified on 29-04-2026

Explanation

• Zero error is a Systematic error because it causes a consistent error in every measurement.
• It occurs when an instrument does not read zero even when no quantity is being measured.
• The same error is repeated in all readings unless corrected.
• Zero error may be positive or negative.
• It can be corrected by applying a zero correction.

Last verified on 06-07-2026

Explanation

• Dr. Abdus Salam won the Nobel Prize in Physics in 1979.
• He received the award for his contribution to the Electroweak Theory, which unified the electromagnetic and weak nuclear forces.

Additional information:

• Born: 29 January 1926, Jhang, Punjab
• Died: 21 November 1996
• Ph.D.: 1952, Theoretical Physics, University of Cambridge
• Achievement: First Pakistani Nobel laureate and second Muslim Nobel laureate

Last verified on 06-07-2026

Explanation

• Convex lenses are known as Converging lenses.
• Because they bring parallel light rays to a single focal point.
• A convex lens is thicker at the center and thinner at the edges.
• It forms real and inverted images when the object is beyond the focal length.
• It can also produce a virtual, erect, and magnified image when the object is placed within the focal length.

Additional information:

• Concave lens is also called a diverging lens.

Last verified on 11-03-2026

Explanation

• Volt (V) is the SI unit of potential difference (voltage).
• Potential difference is the electrical force that causes current to flow through a conductor.
• It is measured using a voltmeter.
• The SI unit is named after Alessandro Volta.

Additional information:

• Electric Current: Ampere (A)
• Resistance: Ohm (Ω)
• Power: Watt (W)
• Charge: Coulomb (C)

Last verified on 03-06-2026

Explanation

• Radiation is the only mode of heat transfer that occurs through a vacuum.
• Radiation transfers heat through electromagnetic waves.
• So it does not need any material medium.
• The Sun's heat reaches the Earth through radiation.

Last verified on 06-07-2026