Explanation

Calculating the radius of the earth over a thousand years ago required a lot of imagination.

The 10th-century Persian mathematician Abu Rayhan al-Biruni used simple trigonometric results to estimate the radius and circumference of the Earth

ND_16_7_2023

Explanation

At the time of Indian Independence in 1947, there were 565 princely states.

Out of these, 13 princely states decided to join Pakistan.

Pakistan (including both West and East) constituted about 20% of the total area of British India.

Explanation

Studies show that it takes an average of 8 minutes and 20 seconds for sunlight to move from the sun to the earth.

Sunlight moves at the speed of light.

You can see that the distance of the sun from the earth = 149.6 x 106 km.

Photons emitted from the surface of the sun need to traverse the vacuum of the universe to reach our eyes.

Explanation

The first and third Round Table conferences did not take part in the Indian National Congress.

*First round table conference: 1930 and January 1931 in London
The Indian National Congress decided not to participate
As Many of the INC leaders were imprisoned due to their involvement in the civil disobedience movement.

*3rd round table conference: 17 Nov 1932 and 24 Dec 1932
The Indian National Congress was not invited to this table conference 
Because the recommendations of this conference were published in a White Paper in 1933.

Additional informational 
The Round Table Conference was a series of Three Conference 
Conducted by the Labour Party-led British government 
To discuss constitutional reforms in British India during 1930-32
The second Round Table conference was held from 7 Sep 1931 to 1 Dec 1931

Explanation

Pakistan purchased Gwadar port from Oman on 8th September 1958.

Gwadar officially became part of Pakistan on 8th December 1958.

Gwadar remained under Omani rule for 174 years from 1783 -1958 

Gwadar Port is situated on the Arabian Sea at Gwadar in Balochistan province.

Opened: 2002 

while 

Pakistan has three big sea ports  It was purchased from Oman in 1958.

Karachi Port,

Muhammad Bin Qasim port

and Gwadar port.

Explanation

Wi-Fi stands for Wireless fidelity.

The minimum length of Wi-Fi password = 8.

The maximum length of Wi-Fi password = 63.

Explanation

Tehzeeb-ul-Akhlaq is a journal written by Sir Syed Ahmad Khan.

Tehzeeb-ul-Ikhlaq established in 1871.

The same journal was restarted by Syed Hamid Vice-chancellor of Aligarh Muslim University in 1981.

First Time started from 1871 till 1961

Restarted in 1981–present.

Explanation

 Cabinet Mission broadcast its plan from New Delhi on May 16, 1946.

They arrived in India on March 24, 1946, sent by the British government.

The Mission was headed by Lord Pethick Lawrence.

The mission had three British cabinet members:

Pethick Lawrence

Stafford Cripps

A.V. Alexander

The Cabinet Mission aimed to discuss the transfer of power from British to Indian leadership.

Explanation

The first modern Olympic Games were held in Athens, Greece from April 6 to 15, 1896.

43 events in nine sports.

241 athletes from 14 nations. 

The United States won the most gold medals (11).

Greece won the most medals overall (47).

Explanation

Qutab ud Din Aibak was the first ruler of the Muslim dynasty in Sub-Continent

......

Qutb al-Din Aibak  was a general of Muhammad Ghori.

Qutab ud Din Aibak was in charge of the Ghurid territories in northern India, and after Muhammad Ghori's death.

he became the ruler of an independent kingdom that evolved into the Delhi Sultanate ruled by the Mamluk dynasty.

....

Al-khafif was the first ruler of soomra dynasty (1011-1026)

Mughal emperor Akbar the first Muslim ruler who tried to reconcile the differences between Muslims and Hindus

Razia Sultana the first woman ruler of Indiar