sound

Sound is defined as vibrations that travel through the air or another medium as an audible mechanical wave. It is produced from a vibrating body. The vibrating body causes the medium (water, air, etc.) around it to vibrate thus producing sound. Answer verified by Toppr.

Answer: sufferers of unnecessary nerve damage is the full form of sound may it help you.

• echo,
• reecho,
• resonate,
• resound,
• reverberate.

: a word (such as NATO, radar, or laser) formed from the initial letter or letters of each of the successive parts or major parts of a compound term also : an abbreviation (such as FBI) formed from initial letters : initialism.

LIGHT

spiritual illumination and truth

violet

Light, or Visible Light, commonly refers to electromagnetic radiation that can be detected by the human eye. Light can also be described in terms of a stream of photons, massless packets of energy, each travelling with wavelike properties at the speed of light.

Light is electromagnetic radiation that shows properties of both waves and particles. Light is a form of energy. Light also keeps the Earth warm. Light exists in tiny energy packets called photons.

Lesson Summary

• Air takes up space. It’s made up of atoms and molecules.
• Air is made of gases, including nitrogen, oxygen, water vapor, and other materials. These substances are what give air mass.
• Air exerts pressure.
• Air has weight.
• Air can be compressed.
• Air is affected by temperature.