Explanation

• Wilhelm Conrad Rontgen discovered X-rays
• He was discovered on 8 November 1895.
• He got the Nobel Prize in Physics in 1901.

Additional questions

• The penetrating power of X-rays depends on their frequency

Last updated 26-07-2026 by NA

Explanation

• The atomic number of hydrogen is 1.
• It is the first element on the periodic table. 
• Named by: Antoine Lavoisier (1783)
• Atomic mass: 1.00784 u
• Appearance: Colorless gas
• Symbol: H
• Protons: 1
• Electrons: 1

Last updated 26-07-2026 by NA

Explanation

Explanation

• Quaid-e-Azam Muhammad Ali Jinnah joined the All India Muslim League in 1913.
• He was about 37 years old when he became a member of the Muslim League.

Additional information:

• Quaid-e-Azam joined the Indian National Congress in 1906 and left it in 1920.

Last verified on 21-07-2026

Explanation

• Diamer-Bhasha Dam is being constructed on the River Indus.
• It is located between Kohistan (Khyber Pakhtunkhwa) and Diamer (Gilgit-Baltistan).
• The foundation stone was laid in 1998 by Prime Minister Nawaz Sharif.
• Opened: 2028
• Height: 272 m

Additional information:

Last verified on 20-06-2026

Explanation

• Member Countries (8): Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, Sri Lanka
• SAARC: South Asian Association for Regional Cooperation
• Founded: 8 December 1985
• Headquarters: Kathmandu, Nepal
• Official Language: English
• Purpose: Promote regional cooperation, economic growth, and cultural exchange among South Asian nations

Last verified on 15-01-2026

Explanation

• Rohtas Fort near Jhelum was built by Sher Shah Suri.
• He was the founder of the Suri Empire in India.
• It is a 16th-century fortress.
• It is located near the city of Dina in Jhelum.
• The construction started in 1541.
• It has 14 gates.

Last verified on 01-05-2026

Explanation

• The largest river in Pakistan is the Indus River.
• It is the National River of Pakistan.

Additional information:

• The Indus River starts in Tibet.
• It originates from the Mansarovar lake.
• They flow through India, Pakistan.
• It finally falls into the Arabian Sea near Karachi.
• They start making a delta near the city of Thatta.
• The old name of the Indus River was Sindhu.
• There are 6 Barrages constructed in the Indus River.
• The length of the Indus River is 3,180 km.
• The 2nd source of Indus River is Gar Tsangpo.
• The upper Indus Plain starts from Kalabagh.
• The upper Indus Plain ends at Mithankot.

Last verified on 10-07-2026

Explanation

• Asia is the largest continent by land area and population.
• It covers about 44.58 million sq km.
• Around 60% of the world’s population lives in Asia.
• It has 40+ countries, including China, India, and Indonesia.
• It makes up about 30% of Earth’s land area.

Additional information:

• Australia is the smallest continent in the world by area.
• Antarctica is the smallest continent in the world by population.

Last verified on 07-02-2026

Explanation

• Rs. 10: Khyber Pass
• Rs. 5000: Faisal Mosque
• Rs. 10: Khyber Pass
• Rs. 100: Quaid-e-Azam Residency
• Rs. 500: Badshahi Mosque
• Rs. 1000: Islamia College Peshawar

Additional information:

• Pakistani currency notes feature important national landmarks on the back side.
• The State Bank of Pakistan issued first banknotes on 1 October 1948.
• Printed by: Thomas De La Rue & Company (UK)

Last verified on 01-04-2026