Explanation

• Built by: Aurangzeb
• Construction completed: 1673
• Location: Lahore, Punjab, Pakistan
• Architect: Nawab Zain Yar Jang Bahadur
• Rank in Pakistan: 3rd largest mosque

Last updated 07 Nov 2026 by NA

Explanation

• Name: Hazrat Shoaib (A.S)
• Title: Khatib-ul-Anbiya (Speaker of the Prophets) due to his powerful speech and preaching style.
• Nation: People of Madyan and Aykah
• Main message: Truthfulness, fair business, worship of Allah
• Relationship: Father-in-law of Hazrat Musa (A.S)

Explanation

• Current/Survey of Pakistan 2021 figure: 2,611 km
• Older figure: 2,430 km
• Name of border: Durand Line
• Year of agreement: 1893
• British representative: Sir Mortimer Durand
• Afghan ruler: Amir Abdur Rahman Khan

Last updated 07 Nov 2026 by NA

Explanation

• Location: Nepal–China (Tibet) border in the Himalayas
• Highest peak in the world: Mount Everest
• Height: 8,848.86 m (29,032 ft)
• Named after: Sir George Everest in 1856
• First successful expedition: 1953

Additional information:

• First climbers: Tenzing Norgay (Sherpa) & Sir Edmund Hillary – 1953
• First person to climb Everest twice: Nawang Gombu
• First Pakistani woman to summit Everest: Samina Baig – 2013
• Youngest Pakistani to summit Everest: Sheroze Kashif
• First blind Asian (3rd in world) to climb Everest: Zhang Hong
• Fastest woman to summit Everest: Tsang Yin-hung (Hong Kong) – 2021

Last updated 06 Nov 2026 by NA

Explanation

• The chemical formula of baking soda is NaHCO₃, which stands for sodium bicarbonate.
• The chemical name of baking soda is sodium hydrogen carbonate or sodium bicarbonate (NaHCO3).
• Sodium bicarbonate is non flammable
• Baking soda is basic in nature.

Last verified on 03-09-2026

Explanation

• Noble gases like helium, neon, and argon are placed in Group VIII (Group 18 in modern IUPAC numbering).
• They are inert.
• They have a full outer electron shell.
• It making them stable and unreactive.

Last verified on 07-11-2026

Explanation

• Sir James Chadwick discovered the neutron in 1932.
• He was a British physicist.
• His discovery completed the basic picture of the atomic nucleus.
• He received the Nobel Prize in Physics in 1935 for this discovery.

Additional information:

• J. J. Thomson – Electron (1897)
• Ernest Rutherford – Atomic nucleus (1911) and Proton (1917)

Last updated by NA on 05-11-2026

Explanation

• The SI unit of energy is the Joule (J).
• It is the unit of energy, work, and heat.

Additional information:

• 1 Joule (J) = 1 Newton × 1 meter
• Calorie – 1 cal = 4.184 J
• Kilowatt-hour (kWh) – 1 kWh = 3.6 × 10⁶ J
• Electronvolt (eV) – 1 eV ≈ 1.602 × 10⁻¹⁹ J
• Erg (CGS unit) – 1 erg = 10⁻⁷ J

Last verified on 17-01-2026

Explanation

• The product of mass and velocity is known as momentum. P = MV
• If m is an object's mass and v is its velocity (also a vector quantity), then the object's momentum p is: p=mv
• It is a vector quantity.
• It having both magnitude and direction.
• Common symbols: p, p
• SI unit: kg⋅m⋅s−1
• Dimension MLT^−1

Last updated on 09-03-2026

Explanation

• Iskander Mirza became the first President of Pakistan on 23 March 1956.
• He was the last Governor-General of Pakistan before becoming President.
• He was associated with the Republican Party.
• He abrogated the 1956 Constitution and imposed martial law (1958).
• He also served earlier as Governor of Bengal (India) and Governor-General of Pakistan.
• Born: 13 November 1899, Murshidabad, India
• Died: 13 November 1969, London, UK (buried in Iran)
• He was the great-grandson of Mir Jafar.

Additional information:

• First President of Constituent Assembly of Pakistan: Quaid-e-Azam Muhammad Ali Jinnah
• First elected President of Pakistan: Field Marshal Ayub Khan