Explanation

• Electron: Discovered by J. J. Thomson, 1897

Additional information:

• Proton: Discovered by Ernest Rutherford, 1919
• Neutron: Discovered by James Chadwick, 1932
• Atomic Model Proposed: Plum Pudding Model
• Significance: First subatomic particle discovered

Last updated by NA on 05-11-2026

Explanation

• The extraction of a square root of a given number is a unary operation 

• It operates on only one operand (number).

• Example: sqrt25=5

  Last updated by NA on 04-11-2026

  
  

  
  

Explanation

• Vitamin K helps to make various proteins that are needed for blood clotting and the building of bones.
• Prothrombin is a vitamin K-dependent protein directly involved with blood clotting.

• Vitamin C may protect the body against the effects of pollution.
• It may also prevent blood clots and reduce bruising.

Last verified on 31-03-2026

Explanation

The basic components of a machine language program are:

• Instructions: Tell the computer what operations to perform.
• Data: The information on which the instructions operate.
• Machine language uses binary digits (0s and 1s).
• It is directly understood by the CPU.

Explanation

• Nitrogen (N₂): 78%

Additional information:

• Oxygen (O₂): 21%
• Argon (Ar): 0.93%
• Carbon dioxide (CO₂): ~0.04%
• Other gases: ~0.03%

Last verified on 16-05-2026

Explanation

• 1 hp = 746 W
• 1 hp = 0.746 kW
• 1 kW = 1.34 hp
• 1 W = 0.00134 hp
• Standard unit system: SI unit of power is Watt

Last verified on 23-06-2026

Explanation

• “Dilapidated” means in a state of disrepair or ruin due to neglect or age.
• It fits the context of the factory needing restoration work.

Last verified on 31-03-2026

Explanation

Polygot means a person knows many languages.

Polygot means ایسا شخص جو بہت سی زبانوں پر عبور رکھتا ہو

Explanation

Explanation

A ∩ (C U B) = (A ∩ B) U (A ∩ C)