A key of a mechanical piano struck gently and then struck again but much harder this time. In the second case...

A key of a mechanical piano struck gently and then struck again but much harder this time. In the second case

Model Answer & Options

Source: Exemplar

sound will be louder, but pitch will not be different

sound will be louder, and pitch will also be higher

sound will be louder, but pitch will be lower

both loudness and pitch will remain unaffected

Test your skills on a similar concept: NCERT-IX Gravitation: Practice Set 1.

This is just one question from the topic "Sound".