Explanation

• The pitch of a sound wave depends on its frequency.
• Pitch tells us whether a sound is high or low.
• Higher frequency → higher pitch (e.g., whistle).
• Lower frequency → lower pitch (e.g., bass drum).
• Frequency is measured in Hertz (Hz).

Last verified on 11-08-2026

Explanation

• The headquarters of the International Court of Justice is in The Hague, Netherlands.
• ICJ is one of the six principal organs of the United Nations.
• It consists of 15 judges, elected for 9-year terms.

• Founded: 1945
• Official Languages: English, French
• Member States: UN member countries
• Main Function: Settling legal disputes between states

Explanation

• Sunlight travels at the speed of light (~3 × 10⁸ m/s).
• Takes 8 minutes 20 seconds on average to reach Earth.
• Sunlight takes approximately 499 seconds to travel from the Sun to Earth.
• Distance traveled: 150 million km from Sun to Earth.
• Moonlight takes only 1.3 seconds to reach Earth.

Last verified on 13-03-2026

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

• The Treaty allocates the Western Rivers (Indus, Jhelum, Chenab) to Pakistan
• The Eastern Rivers (Ravi, Beas, Sutlej) to India
• Indus Waters Treaty signed on September 19, 1960, 
• Between India and Pakistan
• Treaty was brokered by the World Bank
• Signed at Karachi by 
• Field Marshal Mohammad Ayub Khan,
• The then President of Pakistan, Jawaharlal Nehru 
• The then Indian Prime Minister, and Mr. W.A.B. Illif 
  
• The Treaty is effective from 1st April 1960 

Last updated by NS on 26 JULY 2026

Explanation

Explanation

QUESTION UPDATED 14 Januray 2026

Explanation

• Attock Fort, built during the reign of Akbar from 1581 to 1583 at Attock Khurd.
• It was constructed to protect the River Indus's passage.
• It was built under the supervision of Khawaja Shamsuddin Khawafi.
  
• The fort features four gates: Delhi Gate, Lahori Gate, Kabuli Gate, and Mori Gate.

Explanation

• The average internal temperature of the human body is 37°C (98.6°F).
• It is the normal body temperature range for a healthy adult.

Explanation