Bell in a Bell Jar Experiment

Code: HE1008613

Pack size: 1

Stock: In stock

Your Price: £79.25 exc VAT

Description

Specifications

An ideal solution to the common physics experiment demonstrating that sound will not travel in a vacuum
Place the bell jar on the pump plate, briefly connect the power supply so that the bell can be heard ringing
Connect a vacuum pump to the pump plate and evacuate as much air as possible
Close the valve, switch off the pump and connect the power again
The bell striker moves but can barely be heard
Open the valve slowly, allowing air back in, and the volume of the bell increases
Please note ‐ Vacuum pump and DC Power Supply are not included
The apparatus consists of a sturdy metal base plate mounted on a metal tripod
Baseplate dimensions:Height: 200mm
Diameter: 230mmThe bell jar is acrylic and comes complete with an electric bell that requires a suitable d
c
power supply (3‐6V)
Connection to a power supply is made via two 4mm terminals that protrude from the rubber stopper positioned at the top of the bell jar
Bell jar dimensions:Height: 260mm
Diameter: 180mm
Overall mass: 5kg

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Your Price: £79.25 exc VAT

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