Explanation

• The key of Baitullah (Kaaba) was entrusted by the Holy Prophet Muhammad (SAW).
• This event took place after the Conquest of Makkah (8 AH / 630 AD).
• The key was given to Hazrat Usman bin Talha (RA) from the Banu Abd al-Dar family.
• The Prophet (SAW) declared that this trust will remain in his family forever.

Last verified on 28-04-2026

Explanation

• Qaswa was the name of the camel on which Prophet Muhammad (ﷺ) migrated to Madina.
• After reaching Madina, Qaswa stopped at the place where Al-Masjid an-Nabawi was later built.
• The Hijrah took place in 622 AD.
• The Prophet (ﷺ) also had other well-known she-camels, including Al-Jad'aa and Al-Adbaa.

Last verified on 07-07-2026

Explanation

• Number of verses: 5
• Surah: Al-Alaq (96th Surah)
• Location of the first wahi: Cave Hira (Ghar-e-Hira), Makkah
• Angel: Jibril (A.S.)
• First Word Revealed: Iqra (Read)
• In: 610 AD

Additional information:

• At the Age of 40 years 6 months
• Prescriber of wahi in Makkah: Sharjeel-ibn-Hasana Kandi
• First writer of Wahi in Quraish: Hazrat Zaid bin Sabit (RA)

Last verified on 27-04-2026

Explanation

• The Strait of Malacca is the longest strait in the world.
• It is with a length of about 800 km.
• It lies between Malaysia and the Indonesian island of Sumatra.
• It is one of the world's busiest international shipping routes.
• The strait connects the Andaman Sea with the South China Sea.

Last verified on 07-07-2026

Explanation

• Quaid-e-Azam Muhammad Ali Jinnah participated in 2 Round Table Conferences.
• He attended the First (1930) and Second (1931) Round Table Conferences in London.
• These conferences were held by the British government to discuss constitutional reforms in India.
• The Third Round Table Conference (1932) was held without his participation.
• The discussions failed to resolve major political differences.

Last verified on 07-07-2026

Explanation

• Rear view mirrors in vehicles are convex mirrors.
• They give a wider field of view.
• Images formed are virtual, upright, and smaller.
• This helps drivers see more traffic behind them.
• It is a curved mirror that bulges outward.
• It is commonly used in side mirrors of cars, buses, and motorcycles.

Last verified 26-04-2026

Explanation

• Silver reflects approximately 95% of visible light.
• It is one of the best natural reflectors of visible light.
• Because of its high reflectivity.
• Silver is widely used in mirrors and optical instruments.
• It produces bright and clear reflections.

Last verified on 07-06-2026

Explanation

• Interference occurs when two waves overlap or cross each other.
• The waves may produce a stronger wave (constructive interference) or a weaker wave (destructive interference).
• It is a fundamental property of all types of waves, such as light, sound, and water waves.

Last verified on 07-07-2026

Explanation

• nPr represents the number of arrangements of r objects selected from n objects.
• In permutation, the order of objects matters.
• Different arrangements are counted as different results.
• It is used when the position or sequence is important.
• Formula: nPr = n! / (n − r)!

Last verified on 07-07-2026

Explanation