Question

Loud noise can break glass panes. Which of the following conclusions can be drawn from this?

I. Sound is a form of energy.

II. Sound can’t travel through vacuum.

III. Sound can be used to do work.

• A. Only III
• B. I and II
• C. I and III
• D. I, II and III

Answer 1

The correct option is C

I and III

Energy is defined as the capacity to do work. When glass panes break due to loud noise, work is done. So, sound is a form of energy and can be used to do work.