Explanation

• 30% of 100 = 30
• 3% of 1000 = 3/100 × 1000 = 30
• So, 30% of 100 is equal to 3% of 1000.

Explanation

The first capital of Pakistan was the coastal city of Karachi in Sindh,

which was selected by Muhammad Ali Jinnah. 

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Islamabad officially became the capital of Pakistan on 14 August 1967,

exactly 20 years after the country's independence.

The area of Islamabad before its declaration as the capital of Pakistan was known Raj Shahi

Explanation

Bolan Pass 

The Bolan Pass is in the Toba Kakar range which lies south of the Hindu Kush mountain ranges. 

Connects: JCB and Sibi with Quetta 

Height: 1793 meters, 5884 feet 

Explanation

Karakar pass is located in: Hindu Kush, KPK

1. Khyber Pass 

connects: Peshawar to Kabul

connects: Pakistan to Afghanistan

Height 1070 meters, 3510 feet 

2. Bolan Pass 

Connects: JCB and Sibi with Quetta 

Height: 1793 meters, 5884 feet 

3. Lowari Pass 

Connects: Chitral with Dir 

Height: 3118 meters, 10230 feet 

4. Broghil Pass 

Location: Pakistan & Afghanistan border 

Height: 3798 meters, 12460 feet 

5. Malakand Pass 

Connects: Dir with Chitral 

Height: 1362 meters, 4468 feet 

6. Shandur pass

Connects: Gupis/Gilgit with Chitral 

Height: 3700 meters, 12139 feet 

7. Khanjerab Pass (top most in Pakistan) 

Other name: Friendship Gate

Connects: China with Pakistan 

Height: 4693 meters, 15397 feet 

8. Dorah pass

Connects: Badakhshan province of Afghanistan with Chitral 

Height: 4300 meters, 14108 feet 

9. Babusar Pass 

Connects: Mansehra/Abbotabad with Gilgit

10. Kohat Pass

Connects: Kohat with Peshawar 

11. Khojak Pass

Connects: Qilla Abdullah with Chaman

12. Tochi Pass

Connects: Ghazni with Bannu

13. Karakar Pass

Connects: Mingora with Buner 

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Explanation

Optical Fiber Systems are utilized in Telecommunication Systems to transmit data as light signals through thin glass or plastic fibers.

It enabling high-speed internet, voice, and data communications over long distances.

Explanation

In 1714, Dutch scientist  Daniel Gabriel Fahrenheit invented the first reliable thermometer,

using mercury instead of alcohol and water mixtures.

In 1724, he proposed a temperature scale which now bears his name.

Galileo made his first telescope in 1609

Barometer Inventor: Evangelista Torricelli

Steam engine Inventor: Thomas Savery

Microscope Inventor: Zacharias Janssen

Explanation

China Capital is Beijing.

China Currency is Chinese Yuan.

China official language is Mandarin.

China located is in Continent Asia.

China Primary Religion is N/A.

China Head of Govt. is President - Xi Jinping.

China Parliament called National People’s Assembly.

Tricks for Remember

Explanation

Stainless steel is a alloys that contain a minimum of approximately 11% chromium, a composition that prevents the iron from rusting and also provides heat-resistant properties.

Explanation

A microphone converts sound into a small electrical current.

Sound waves hit a diaphragm that vibrates, moving a magnet near a coil.

In some designs, the coil moves within a magnet.

Other microphones, such as condenser microphones, work on the principle of capacitance.

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VU FIA PAPER 18-12-2021

Explanation

Lack of insulin causes diabetes.

Diabetes is a condition that happens when your blood sugar (glucose) is too high.

It develops when your pancreas doesn't make enough insulin.