- Posts: 1014
- Thank you received: 0
P2-02: PHOTOELECTRIC EFFECT IN ZINC - ARC LAMP
- zzfixk21
- Offline
- Banned
-
11 years 11 months ago #1220
by zzfixk21
ID Code: P2-02
Purpose: Demonstrate the emission of photoelectrons.
Description: In this experiment the arc lamp acts both as a source of ultraviolet radiation for discharging the zinc plate and as a bright light to shadow project the apparatus.
A zinc plate connected to an electroscope and charged positive will not discharge under the influence of ultraviolet radiation. When the plate is charged negative, however, light from the arc lamp, which contains much UV, will discharge the plate, as indicated by the electrometer. A 1/8" glass plate inserted into the light from the arc lamp prevents passage of UV and the discharge ceases. Removing the glass plate allows the discharge to continue.
Availability: Available
P2-02: PHOTOELECTRIC EFFECT IN ZINC - ARC LAMP was created by zzfixk21
ID Code: P2-02
Purpose: Demonstrate the emission of photoelectrons.
Description: In this experiment the arc lamp acts both as a source of ultraviolet radiation for discharging the zinc plate and as a bright light to shadow project the apparatus.
A zinc plate connected to an electroscope and charged positive will not discharge under the influence of ultraviolet radiation. When the plate is charged negative, however, light from the arc lamp, which contains much UV, will discharge the plate, as indicated by the electrometer. A 1/8" glass plate inserted into the light from the arc lamp prevents passage of UV and the discharge ceases. Removing the glass plate allows the discharge to continue.
Availability: Available
Please Log in to join the conversation.
Time to create page: 0.140 seconds