Explanation

• Masjid-e-Quba was the first mosque built in the history of Islam.
• Established in 622 CE on the outskirts of Medina (Yathrib).
• Prophet Muhammad (PBUH) spent 14 days praying Qasr here.
• The first Friday prayer was led by Prophet Muhammad (PBUH) in this mosque.

Additional and Most Important information:

• Masjid-ul-Haram (Kaaba): First mosque on the surface of the earth.
• Masjid-e-Quba: First mosque built by Prophet Muhammad (PBUH) in Islamic history.
• Masjid-e-Aqsa: Built much earlier, associated with Hazrat Sulaiman (A.S.).
• Masjid-e-Nabavi: Built after Prophet’s arrival in Medina, not the first.

Last verified on 14-03-2026

Explanation

Acute angles measure less than 90 degrees.

Additional information:

Right angles measure 90 degrees.

Obtuse angles measure more than 90 degrees.

Last verified on 13-03-2026

Explanation

• Jasmine (Chambeli) is the national flower of Pakistan.
• It was chosen as the national flower in 1961.

Additional information:

• National Bird: Chukar
• National Animal: Markhor
• National Dish: Nihari
• National Fruit: Mango
• National Tree: Deodar
• National Flower: Jasmine
• National Vegetable: Lady Finger (Okra)

Last verified on 08-03-2026

Explanation

• Wavelength is the distance between two successive crests or two successive troughs in a transverse wave.
• It represents one complete cycle of a wave.

Additional information:

• Symbol used: λ (Lambda)
• SI unit: meter (m)
• Wave formula: v = fλ
• Example wavelength values: 1 m, 0.5 m, 10 cm, 500 nm, 700 nm
• Visible light wavelength range: ~400 nm – 700 nm

Last verified on 12-03-2026

Explanation

Canberra is the capital city of Australia

Additional information
Currency is the Australian Dollar.

The official language is English.

The national game is Cricket.

Located in the continent of Oceania.

Primary Religion is Christianity (but a secular country).

Head of Govt is Prime Minister  - Anthony Albanese.

Parliament is called the Federal Parliament.

Australia flag has three colours.

Tricks for Remember

DOLLAR

 Li-Ne-US-Ca-Fi-T-E-A

Mind trick: Li ne(a name) who lives in US likes Coffee(Ca- Fi) and Tea(T-E-A)

**Li-Ne**

Li-Liberia

Ne-New Zealand

**US**

United States

**Ca-Fi**

Ca-Canadian

Fi- Fizzi

**T-E-A**

T-Taiwan

E-Ethiopia

A-Australia

Must read

Capital of World Countries

Currency of World Countries

Last updated on 06-March-2026

Explanation

• Lake Manchar is the largest natural freshwater lake in Pakistan,
• Located in the Jamshoro and Dadu districts of Sindh province
• Located west of the Indus River

Question updated on 11-02-2026

Explanation

Receive means حاصل کرنا

Explanation

• Pressure can be defined as the force acting per unit area.
•  Pascal (Pa) is the SI unit of pressure.
• In SI base units kg⋅m−1⋅s−2
• Derivations from other quantities: p = F / A
• Dimension unit: M L^−1 T^-2

Additional information 

The SI unit of energy/work is the joule (J)

Last updated on 09-03-2026

Explanation

• The International Monetary Fund (IMF) is a major financial agency of the United Nations and an international financial institution.

Additional information:

• IMF founded: 27 December 1945
• IMF headquarters: Washington, USA
• IMF total members: 190
• IMF official language: English

Last verified on 08-03-2026

Explanation