Explanation

Solar PV cells generate electricity by absorbing sunlight and using that light energy to create an electrical current.

There are many photovoltaic cells within a single solar panel, and the current created by all of the cells together adds up to enough electricity to help power your home

Explanation

• The blades spin at high speed and compress or squeeze the air.
• The compressed air is then sprayed with fuel and an electric spark lights the mixture.
• The burning gases expand and blast out through the nozzle, at the back of the engine.
• As the jets of gas shoot backward, the engine and the aircraft are thrust forward

Explanation

4 boys ran 60km each in 6 hours,10km distance covered by 1 boy in 1 hour

Explanation

The West Siberian Plain is a vast flatland area in central Russia that stretches almost the full latitude of the country—from the Arctic Ocean in the north to the foothills of the Altay Mountains in the south

Explanation

the greatest number is 9,86,54,210. We arrange the given digits in ascending order to form the smallest number. Hence, the smallest number is 1,02,45,689.

Formation of Greatest and Smallest Numbers.

To Form the Greatest Number To Form the Smallest Number

The smallest digit in the ones place that is 3. The next smallest digit in the ones place that is 9.

Explanation

Since you are 5th in a queue starting from either end  so there are 2 persons to your left and 2 to your right

∴∴ Total number of persons are

5+2+2= 9

Explanation

In 1955, Xinjiang was administratively changed from a province into an autonomous region.

Sinkiang Province was a province of the Republic of China

Explanation

Bayt al-mal (بيت المال) is an Arabic term that is translated as "House of money" or "House of Wealth." Historically,

it was a financial institution responsible for the administration of taxes in Islamic states, particularly in the early Islamic Caliphate

Explanation

• fourth source of Sharia
• The primary sources of Islamic law are the Holy Book (The Quran), The Sunnah (the traditions or known practices of the Prophet Muhammad ), Ijma' (Consensus), and Qiyas (Analogy)
• Qiyas or analogical reason is the fourth source of Sharia for the majority of Sunni jurisprudence. It aims to draw analogies to a previously accepted decision
  

Explanation

There is a fort known as 'Khyber' 64 km to the west of medina (Saudi Arabia). This was a stronghold of Jews in the pre-Islamic days