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 unit of pressure is N/m² (Newton per square meter).
• It is also called Pascal (Pa).
• Pressure means force applied per unit area.
• Higher force or smaller area increases pressure.

Last verified on 17-06-2026

Explanation

The first constitution of Pakistan (1956) was abrogated on October 7, 1958

After 09 years Pakistan got its first constitution

Promulgation Date: March 23, 1956.

 Key Figures:

• President Iskander Mirza (abrogated it)
• General Ayub Khan (became CMLA, then deposed Mirza on Oct 27, 1958).
• Choudhry Mohammad Ali was the Prime Minister of Pakistan 

Last updated by NA on 06-11-2026

Explanation

• The first-ever IBM PC-compatible computer virus, named "Brain'
• It is also known as Pakistani Brain or Lahore
• Developed in January 1986
• By two brothers, Basit Farooq Alvi and Amjad Farooq Alvi,

Last updated by NA on 06-11-2026

Explanation

Water molecules are held together by hydrogen bonds,

It is a type of strong intermolecular force

Where the slightly positive hydrogen of one molecule attracts the slightly negative oxygen of another, creating a "sticky" network that gives water unique properties like surface tension.

Explanation

• Soy sauce is produced by the fermentation of soybeans.
• Microorganisms like Aspergillus oryzae or Aspergillus sojae are used in the process.
• It is widely used as a flavoring condiment in Asian cuisine.

Additional information:

Other Ingredients in Soy Sauce (5):

1. Wheat (for flavor)
2. Salt
3. Water
4. Lactic acid bacteria
5. Yeast

Types of Soy Sauce: Light, Dark, Tamari

Last verified on 19-01-2026

Explanation

• Windows + D shows or hides the desktop.
• It minimizes all open windows to display the desktop.
• Pressing Windows + D again restores the previously open windows.

Additional information:

• Windows + E: Opens File Explorer.
• Windows + M: Minimizes all windows.

Last updated by NA on 05-11-2026

Explanation

• Eternal means lasting forever or having no end.
• Everlasting and perpetual are synonyms of eternal.
• Eternal means ہمیشہ کے لیے قائم رہے گا یا کوئی انتہا نہیں ہے۔
• Everlasting means ہمیشہ کے لیے قائم رہے گا یا کوئی انتہا نہیں ہے۔

Last updated by NA on 05-11-2026

Explanation

• A dedicated computer is assigned one and only one specific task.
• It is designed to perform a particular function.
• Dedicated computers are commonly used in ATMs, traffic-control systems, and industrial machines.
• They are optimized for their specific purpose and may be part of an embedded system.

Last updated by NA on 05-11-2026

Explanation

• Title: Abu Al-Bashar (Father of Mankind)
• Prophet: Hazrat Adam (A.S)
• Wife: Hawwa (Eve)
• Status: First human being and first prophet
• Religion: Islam (submission to Allah)

Last updated by NA on 05-11-2026