Explanation

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Explanation

Frequency is the number of occurrences of a repeating event per unit of time.

SI unit hertz (Hz)

In SI base units: s−1

Derivations from other quantities: f = 1 / T

Dimension T^−1

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Explanation

• The Earth takes approximately 23 hours, 56 minutes, and 4.9 seconds to complete one rotation on its axis,
• It is called a sidereal day.
• This is the time it takes for the Earth to rotate once relative to the fixed stars.
• The extra 4 minutes is due to the Earth's slightly ellipsoidal shape and the effects of the Moon's gravitational pull.

Explanation

Soviet Union launched the first artificial satellite with the United States.

The satellite called Sputnik 1 – went into space on Oct. 4, 1957.

Explanation

Cairo, is the capital of Egypt.

It is known as the Pyramid City.

Because of its proximity to the Great Pyramids of Giza, one of the Seven Wonders of the Ancient World.

Explanation

The ENIAC (Electronic Numerical Integrator and Computer), developed from 1943 to 1946.

It was the first general-purpose electronic digital computer.

It was designed for calculating artillery firing tables and utilized vacuum tubes.

Explanation

On 14 August 1947 (27th of Ramadan in 1366 of the Islamic Calendar) Pakistan gained independence.

Explanation

In 1979, Dr. Abdul Salam won the Nobel Prize for physics.

• He was the second Muslim scientist to get a Nobel Prize.
• First Pakistani to win a Nobel Prize
• Born in Jhang, Punjab, Jan. 29, 1926
• Died: Nov. 21, 1996
• He died in 1996.
• Received the Nobel Prize for combining two forces: the electromagnetic and weak forces

Explanation

The height of Hazrat Adam (AS) was 90 feet.

Adam is a word of Herbew language.

Hebrew is official language in Israel.

He was the first Muslim, as the Quran states that all the Prophets preached the same faith of Islam.

Known for being the first human being.

His spouse was Hawwā (حواء).

Hazrat Adam (AS) was 130 years old when Shees (AS) was born.

He spoke the language in the Garden of Eden.

His total age was 930 years.

Hazrat Adam (AS) met with the Holy Prophet ﷺ on the 1st heaven.

He had 3 sons.

His grave is located in Sri Lanka.

Explanation