a.
Why does a wine glass produce a sound when its rim is rubbed with a moist finger?
Answers
Explanation:
When you rub your moistened finger along the rim of the glass, your finger will stick to the glass as it encounters resistance, or friction, when it moves over the glass surface. ... The sides of the glass transmit the vibration to the surrounding air, creating a sound wave with a specific frequency.
Answer:
When you rub your moistened finger along the rim of the glass, your finger will stick to the glass as it encounters resistance, or friction, when it moves over the glass surface. ... The sides of the glass transmit the vibration to the surrounding air, creating a sound wave with a specific frequency A drinking glass creates sound when you rub your finger around its rim or strike it with an object. This sound is created when the vibrations of the glass affect the air inside the glass. Each glass vibrates at a characteristic pitch called the resonant frequency.