Explanation

• The speed of sound in air at 0°C (32°F) is 332 meters per second.

The speed of sound in different materials:

• Air: 332 m/s
• Sea water: 1530 m/s
• Lead: 2160 m/s
• Gold: 3240 m/s
• Brick: 3650 m/s
• Copper: 4760 m/s
• Glass: 5100 m/s
• Aluminium: 6420 m/s

Explanation

Tape speed is measured in inch per second.

Explanation

All important questions about " MS EXCEL"

Microsoft Excel is a spreadsheet application launched in 1985 by the Microsoft Corporation.

MS-Excel uses the _____ function when creating a data table.

spreadsheet

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Which of the following functions in Microsoft Excel is used to count items in a cell range?

Count

***

In MS Excel, which function automatically total a column or row of values?

SUM

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MS Excel's function arguments are always written in----------?

Parenthesis

***

In MS Excel, which function automatically totals a column or row of values?

SUM

****

Columns in MS Excel are called?

Fields

***

Constant value in excel also called?

Number

***

Ctrl +D in MS Excel?

Fill down in the selection

***

Ctrl+R is used in Excel too?

Fill the selection with active cells to the right

***

MOD () function is used in MS Excel to get

Remainder

****

ND30-4-2023

Explanation

Explanation

Punctuation is a series of symbols and marks that make written language easier to read.

We use punctuation marks to denote pauses, separate elements of sentences, or add emphasis to parts of our writing.

Explanation

Punctuation is used to clarify the meaning of written or printed language.

Well-planned word order requires a minimum of punc - tuation.

Explanation

Explanation

Gloss means چمک

Brightness means چمک

Explanation

Increasing the energy of a sound wave amplifies its amplitude, resulting in a louder sound.

Loudspeakers work by converting electrical energy into sound energy, so higher energy input leads to a louder output.

Explanation

• The Indus Waters Treaty, signed on September 19, 1960, between India and Pakistan and brokered by the World Bank.
• It allocates the Western Rivers (Indus, Jhelum, Chenab) to Pakistan and the Eastern Rivers (Ravi, Beas, Sutlej) to India.
• It was signed in Karachi by Pakistan President Ayub Khan, Indian Prime Minister Jawaharlal Nehru, and Mr. W.A.B. Illif. 
• The Treaty became effective on April 1, 1960.