Explanation

When white light passes through a prism, it splits into 7 colors, forming a spectrum known as a rainbow:

1. Red
2. Orange
3. Yellow
4. Green
5. Blue
6. Indigo
7. Violet

The separation of visible light into its different colours is known as dispersion.

Last verified on 08-06-2026

Explanation

• The only fertile desert in the world is the Tharparkar Desert,
• Located in Sindh, Pakistan.
• Known as the world's 18th-largest desert,
• It is deemed "fertile" because, unlike typical arid deserts,
• Around 85% of the desert is in India, while the remaining part is in Sindh

Last updated question by NS on 11 May 2026

Explanation

From Kalabagh to the Indus Delta, six major barrages are constructed on the Indus River.

1. Chashma Barrage
2. Taunsa Barrage
3. Guddu Barrage
4. Sukkur Barrage
5. Kotri Barrage
6. Jinnah Barrage

Additional information:

• The Indus River is the national river of Pakistan.
• It originates near Lake Mansarovar (Tibet region).
• Flows through India and Pakistan.
• Ends in the Arabian Sea near Thatta (delta region).
• Ancient name: Sindhu
• Total length: about 3,180 km
• Indus River system is the backbone of Pakistan’s agriculture.
• The upper Indus Plain starts near Kalabagh and ends at Mithankot.

Last verified on 07-05-2026

Explanation

• The Lowari Pass connects the regions of Chitral and Dir within Pakistan's Khyber-Pakhtunkhwa province,
• It is a high mountain pass located in KPK
•  Its closure due to snow (late November to late May) 

Additional information RELATED PASSES:

• Babusar Pass – Connects Kaghan with Chilas
• Shandur Pass – Connects Chitral with Gilgit
• Malakand Pass – Connects Mardan with Swat
• Khunjerab Pass – Connects Pakistan with China

Last Updated on 14-01-2026

Explanation

• Rainfall is measured using a Rain Gauge.
• It collects rainwater and measures it in millimeters (mm).
• Widely used in weather forecasting and meteorology.
• Helps in studying climate and agriculture patterns.

Last verified on 31-03-2026

Explanation

• Mercury is the closest planet to the Sun, followed by Venus.
• Called an inner planet because it orbits inside Earth’s orbit.
• Number of moons: 0 (Mercury has no natural satellites).
• Size: Smallest planet in the solar system.
• Nickname: Swift Planet, due to its fast orbit around the Sun (≈88 days per orbit).

Last verified on 17-03-2026

Explanation

• The Urdu-Hindi controversy officially began in 1867 in India
• It started in the United Provinces of Agra and Oudh
• Hindus demanded that Hindi be an official language in place of Urdu
• In 1881, Hindi replaced Urdu in the Devanagari script in Bihar,
• The demand grew significantly in 1867 in Banaras
  

Question updated 03-March-2026

Explanation

Explanation

Vietnam Capital is Hanoi.

Vietnam Currency is Dong.

Vietnam official language is Vietnamese.

Vietnam located is in Continent Asia.

Vietnam Primary Religion is Native religious practice, Christianity.

Vietnam Head of Govt. is Prime Minister - Pham Minh Chinh.

Vietnam Parliament called National Assembly.

Explanation

The Thai Baht (THB) is the official currency of Thailand.

Divided into 100 satang, it is often denoted by the symbol "฿"

Additional information:

• Thailand Capital is Bangkok.
• Official language is Thai.
• Located in the continent of Asia.
• Primary religion is Buddhism.