Explanation

ALT + Shift + F1 is also used to create a new worksheet

Ms. Excel is a Spreadsheet program

MS Excel is based on WINDOWS

shortcut key in  MS Excell:

which key is used for help in MS excel?

F1

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Shift+Backspace

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Which key is used to enter the current date in Excel?

Ctrl+;

Explanation

The British physicist Sir James Chadwick discovered neutrons in the year 1932.

He was awarded the Nobel Prize in Physics in the year 1935 for this discovery.

Explanation

Explanation

The additive identity of a real number is zero (0).

This means that when you add zero to any real number, the result is the original number itself.

For example, 5 + 0 = 5, and -3 + 0 = -3. 

Explanation

Non-volatile memory or is a type of computer memory that can retain stored information even after power is removed.

RAM is a volatile memory.

RAM: Random Access Memory.

ROM is a non-volatile memory.

ROM: Read Only Memory.

Explanation

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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Explanation

Vector Quantities: Velocity, momentum, torque, acceleration.

Scalar Quantities: Work, distance, speed, mass.

Explanation

Explanation

Detailed Answer

One light year is equal to the distance that light travels in one year

(it is about ten trillion kilometers or six trillion miles).

A light year is a unit of distance.

The distance light travels in one year is known as light year.

A light-year is a unit of length used to express astronomical distances and measures about 9.46 trillion kilometers (9.46 x 1012 km) or 5.88 trillion miles (5.88 x 1012 mi)