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

• Official Adoption: 16 August 1954
• Tune Composer: Ahmad G. Chagla (1949)
• Official Urdu lyrics were written by Hafeez Jalandhari (1952)
• Duration: About 80 seconds
• Words: 48 words, 15 lines
• First played on the radio: August 13, 1954

Last updated NA on 10-09-2026

Explanation

• The usual gases used for lifting airships are hydrogen and helium.
• Hydrogen is the lightest known gas and thus has great lifting capacity,
• Helium is not as buoyant but is far safer than hydrogen because it does not burn.

Last verified on 01-04-2026

Explanation

• George Washington was the first President of the USA.
• He was serving from 1789 to 1797.
• He is often called the "Father of His Country" for his leadership in the founding of the United States.

Additional information:

The short list of Presidents of USA:

• 1st. George Washington
• 2nd. Adams John Adams
• 3rd. Thomas Jefferson
• 15th. James Buchanan
• 16th. Abraham Lincoln
• 17th. Andrew Johnson
• 44th. Barack Obama
• 45th. Donald Trump
• 46th. Joe Biden
• 47th. Donald Trump (Current)

Last verified on 07-06-2026

Explanation

• The smallest province of Pakistan by area is KPK.
• Balochistan is the largest province of Pakistan by area.
• Area wise second largest province of Pakistan is Punjab.

Last verified on 30-03-2026

Explanation

• Hayat-e-Javed is a biography written by Altaf Hussain Hali.
• It is about the life of Sir Syed Ahmad Khan.
• The book highlights his reforms and educational services.
• It was first published in 1902.

Last verified on 06-06-2026

Explanation

• The novel “Nineteen Eighty-Four” (1984) is written by George Orwell.
• It was published in 1949.
• It presents a dystopian future under a totalitarian government.
• The story warns about surveillance, loss of freedom, and state control over truth and society.

Last verified on 06-06-2026

Explanation

• “Alike” means “both” or “in the same way.”
• It is used when two groups are affected similarly.
• The sentence shows panic in both scientists and management.

Last verified on 04-06-2026

Explanation

• The word Philosophy comes from Greek words “philo” (love) and “sophia” (wisdom).
• Therefore, its literal meaning is “Love of wisdom.”

Last verified on 03-06-2026

Explanation