Explanation

Shirley Ann Jackson (1946-present) is a theoretical physicist.

Her research and experiments paved the way for the creation of:

• fiber optic cables
• touch-tone telephones
• caller ID
• and call waiting.

Awards: National Medal of Science for Physical Science

while

Fiber optics was invented by Thomas Mensah

ND17-1-2023

Explanation

The speed of sound is maximum in steel

The speed of sound in Glass is 4540m/s

The speed of sound in Solid is: 332 meters per second

Sound is: a longitudinal wave

Sh5-8-2023

Explanation

CRT stands for "Criterion-Referenced Test".

Explanation

کسی کو گالیاں مت دو 

Explanation

Binary is a system by which numbers, letters and other information are represented using only two symbols, or binary digits

Explanation

Explanation

In Excel, a group of cells is known as a Cell Range.

Single cell address like A1,  a cell range using the cell addresses of the first

and last cells in the cell range separated by a colon.

For example, a cell range with cells D1, D2, D3, D4, and D5 would be written as D1:D5

Explanation

یہ کتابیں ڈاکٹر علی محمد نے لکھی ہیں

ان کتابوں کا نام علامہ اقبال کے اشعار سےلیا گیا ہے۔

Explanation

Attock Fort and Lahore Fort were built by Emperor Akbar.

Lahore Fort (It is also known as Shahi Qila

Initiated the construction in the 1560s)

*

Attok Fort (constructed in 1581

Construction was completed in two years 1583)

Additional information 

Lahore fort:

The Lahore Fort is located in the northern part of Lahore's old walled city.

The fort's Alamgiri gate is part of an ensemble of buildings, which along with the:

• Badshahi Mosque
• Roshnai Gate
• and Samadhi of Ranjit Singh

Attok fort:

It is sandwiched between Peshawar Road on one side and the River Indus on the other.

The fort consists of 4 gates.

• Delhi gate
• Lahori Gate
• Kabuli Gate 
• Mori Gate
  

Explanation

"آنگن" خدیجہ مستور کا بہترین ناول ہے،

جس میں انہوں نے تقسیم ہند و پاک کے دوران ہونے والے سماجی، سیاسی، اقتصادی بحران کو دکھانے کی کوشش کی ہے ،

ناول میں حقیقی گھریلو زندگی کی اس طرح سے تصویر کھینچی گئی ہے

کہ یہ کہانی اگرچہ کسی ایک آنگن کی کہانی ہے مگر سچائی یہ ہے کہ یہ کہانی گھر گھر کی ہے۔