Explanation:
A light bulb changes electrical energy into <em>heat energy and light energy .</em>
Answer:
1.) Covering the ceiling and walls with soft perforated boards
2.) Hanging curtains round the hall
3.) Having more opening in the wall.
Explanation:
This is due to what we called Reverberation due to poor acoustic properties.
Reverberation can be reduced by;
1.) Covering the ceiling and walls with soft perforated boards
2.) Hanging curtains round the hall
3.) Having more opening in the wall.
Answer:
for this i uploaded i screenshot
Explanation:
Answer:
Volume of wood is 68-50 = 18 cm³
Explanation:
<h2>Hope it helps you</h2>
