Explanation

Heinrich Rudolf Hertz discovered electromagnetic waves in 1887, experimentally confirming James Clerk Maxwell's predictions.

Hertz demonstrated the existence of radio waves, a type of electromagnetic wave, using a simple apparatus.

Explanation

A standard single-sided, single-layer DVD holds 4.7 GB of data.

A double-layer DVD can store up to 9.4 GB.

A single-layer HD-DVD holds 15 GB of data.

A dual-layer HD-DVD provides up to 30 GB of storage capacity.

Explanation

آنکھیں چیر کر نمک بھرنا۔ اس محاورہ سے مراد نیند مٹانے کی کوشش کرنا ہے۔

Explanation

The First Mysore War (1767–1769) was fought between the English East India Company and Haider Ali of Mysore.

It ended with the Treaty of Madras in 1769.

• Second Mysore War (1780–1784): Fought between the English and Haider Ali, later Tipu Sultan; ended with the Treaty of Mangalore.
• Third Mysore War (1790–1792): Fought between Tipu Sultan and the English, ending with the Treaty of Seringapatam.
• Fourth Mysore War (1799): Fought between Tipu Sultan and the British; Tipu Sultan was killed, and Mysore was brought under British control.

Explanation

If the final answer is 7, and Akram divided by 4 to get that answer, then the number before division was:

7 x 4 = 28

If Akram took away 5 to get 28, then the number before that was:

28 + 5 = 33

If Akram multiplied by 3 to get 33, then the number before that was:

33 ÷ 3 = 11

And if Akram added 7 to get 11, then the starting number was:

11 - 7 = 4

So, the starting number is 4!

Explanation

John Davenport wrote An Apology for Muhammad and Muhammadans.

He defending the Prophet Muhammad against Western criticisms.

It was first published in 1869.

Explanation

Timbuktu is an ancient city in Mali.

It is located near the Sahara Desert.

It is historically significant as a center of learning and trade during the 14th to 16th centuries.

Explanation

اے برڈ آءِ ویو محاورے کا مطلب سرسری جائزہ لینا ہے۔

Explanation

Muhammad bin Qasim was died in 715 AD during the reign of Caliph Sulaiman bin Abdul Malik after being recalled and imprisoned.

Muhammad bin Qasim belonged to the Banu Thaqif.

Muhammad Bin Qasiim was a close relative of Hajjaj bin Yousuf,

He was the son-in-law of Hajjaj bin Yousuf

Because of him, he was appointed the governor of Persia 

Hajjaj ibn Yusuf was the governor of the Umayyad Caliphate from 692–694

Additional information 

Muhammad ibn Qasim led the Muslim conquest of Sindh

From Raja Dahir in the battle of Aror.

He was the first Muslim to have successfully captured Hindu territories

And initiated the early Islamic India in 712 AD.

Explanation

Roshanara Begum is known as Malika-e-Mausiqi, which means "Queen of Music" in Urdu.

She was a renowned classical singer in the Indian subcontinent.

She celebrated for her mastery of Hindustani classical music.