Medio

The video tutorial explains the concept of a medium in different contexts. It starts with agar, a vegetable gelatin used as a biological medium. It then discusses how sound travels through the air as a medium. Finally, it covers magnetic disks as a medium for data storage.

What is agar primarily used for in biological processes?

• As a food ingredient

• As a growing medium

• As a cleaning agent

• As a fuel source

Through what medium does sound travel to reach us?

• Metal

• Air

• Water

• Glass

What is the role of air in the transmission of sound?

• It changes the sound frequency

• It blocks the sound

• It acts as a medium for sound travel

• It amplifies the sound

Which of the following is used as a medium for storing data?

• Plastic

• Wood

• Magnetic disk

• Paper

What is a common use of magnetic disks?

• Cooking

• Data storage

• Painting

• Gardening