Question

Mark the correct match.

• A. Good reflectors of sound - Tiles, Marble slabs.
• B. Bad reflectors of sound - Thick curtains, thick carpets.
• C. Good absorbers of sound - Holed cardboard.
• D. All

Answer 1

The correct option is D All

$1.$ Hard objects are good reflection of sound because particles bounce straight off them.

For example - Tiles and Marble slabs.

$2.$ Bad reflectors are those objects which absorb sound.

For example - Thick curtains and thick carpets.

$3.$ Substances that absorb the sound well are called good absorbers of sound.

For example - Holed cardboard.