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Planck's Constant Experiment

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Planck's Constant Experiment Specification

Glass Type
Special Photocell Glass Envelope

Temperature Resistance
Up to 45C

Control Type
Manual and Electronic Control

Accuracy
High Measurement Precision

Shape
Rectangular

Display Type
Analog Meters and Indicator LEDs

Power Supply
Built-in Regulated Power Supply

Features
Calibrated Light Sources, Sturdy Base, Easy to Use Controls, Safety Fuse

Type
Physics Laboratory Instrument

Dimension (L*W*H)
340 mm x 320 mm x 135 mm

Equipment Type
Photoelectric Effect Apparatus

Equipment Materials
High-Grade Metal and Acrylic Components

Power
Electronic

Voltage
230 V AC, 50 Hz

Material
Metallic Body with Plastic and Glass Accessories

Application
To determine Plancks Constant using Photoelectric Effect

Current Range
Low Current Readability (Microamperes)

Finish
Powder-Coated Corrosion Resistant

Output Terminals
Banana Sockets for Measurement and Connections

Detector Sensitivity
Optimized for Photoelectron Measurement

Ambient Conditions
Operation in Temperature 10C-40C, RH < 80%

Weight
Approx. 5.5 kg

Compliance
Meets Standard Laboratory Safety Requirements

Mounting Type
Bench Top with Non-Slip Feet

Light Source Wavelengths
Pre-calibrated Mercury Vapor Lamp with Multiple Filters

Photocell Type
Highly Sensitive

Accessories Included
Set of Optical Filters, Power Cord, Instruction Manual

Planck's Constant Experiment Trade Information

Minimum Order Quantity
1 Piece

Payment Terms
Cash Advance (CA), Cash in Advance (CID), Cheque, Telegraphic Transfer (T/T), Letter of Credit (L/C)

Sample Available
Yes

Sample Policy
Sample costs shipping and taxes has to be paid by the buyer

Packaging Details
carton box, export quality also available

Main Export Market(s)
Asia, Eastern Europe, Western Europe, Middle East, Africa

Main Domestic Market
All India

Certifications
ISO 9001, 14001 ,CE

About Planck's Constant Experiment

Planck's Constant Experiment

Introduction

Planck's Constant is used to demonstrate photoelectric effect and calculate Plancks constant according to Einsteins equation of photoelectric effect. It is a cost-effective teaching apparatus for physics laboratories at colleges and universities.

Specification of Planck's Constant Experiment

Cut-off wavelengths of color filters: Red-635 nm,Orange-570 nm, yellow-540 nm, Green-500 nm, Blue 460 nm.
Light source: 12 V/35 W Halogen Tungsten lamp.
Sensor: vacuum photo tube.
Dark-current: less than 0.003 A.
Precision of accelerating voltage: less than 2%.
Measurement error: approximately 10% as compared with literature value.

Features:

Inbuilt power supply & photocell.
Different types of filters and LED.
Different types of wave length of all filters and LED.

Precision Design for Reliable Measurements

Engineered for accuracy, this apparatus features a pre-calibrated mercury lamp, a set of optical filters, and a highly sensitive photocell. The ergonomic, bench-top design with non-slip feet, analog displays, and safety fuse enables easy and secure operation. This ensures repeatable, reliable results for both students and professionals conducting photoelectric effect experiments.

Complete Laboratory Solution

Supplied with all necessary accessoriesincluding optical filters, instruction manual, and power cordthe system is ready for immediate use. Its corrosion-resistant, metallic body and high-grade acrylic and glass components guarantee durability, while built-in regulated power and temperature resistance up to 45C make it suitable for diverse academic settings.

Versatile Application in Physics Education

As a robust and straightforward instrument for exploring photoelectric phenomena and determining Plancks constant, this apparatus is particularly suited for physics laboratories in schools, colleges, and universities. It meets all standard safety regulations and delivers precise, easy-to-interpret results, enhancing learning and research experiences.

FAQs of Plancks Constant Experiment:

Q: How does the Plancks Constant Experiment apparatus work to determine Plancks constant?

A: The apparatus uses a pre-calibrated mercury vapor lamp to emit light of different wavelengths onto a highly sensitive photocell through multiple filters. By measuring the resulting photocurrent and using the output from analog meters, users can analyze the photoelectric effect to determine Plancks constant accurately.

Q: What features ensure accurate and sensitive measurements with this instrument?

A: This experiment setup includes a highly sensitive photocell, low current readability in microamperes, optimized detector sensitivity for photoelectron measurement, and built-in regulated power supply. These features collectively enhance measurement precision and reliability.

Q: When should this apparatus be used in a laboratory setting?

A: It is ideal for use during physics practical sessions and research projects focused on quantum mechanics, specifically when demonstration or calculation of Plancks constant via the photoelectric effect is required.

Q: Where can the equipment be mounted or installed in the laboratory?

A: The apparatus is designed for bench-top use and includes non-slip feet, ensuring secure placement on standard laboratory tables or benches. Its compact size allows easy integration into existing laboratory spaces.

Q: What is the process of conducting an experiment with this apparatus?

A: Users position the mercury vapor lamp and select an optical filter to produce light of a specific wavelength. The emitted light strikes the photocell, generating a photocurrent measured via analog meters. By analyzing photocurrent data at different wavelengths, students can calculate Plancks constant.

Q: How does this apparatus benefit students and researchers?

A: The instruments high measurement precision, calibrated light sources, and user-friendly controls facilitate clear understanding of quantum principles. Its robust design ensures safety and durability, making it an excellent educational and research tool.

Q: What accessories are included with the apparatus for immediate operation?

A: The package comes complete with a set of optical filters, a power cord, and an instruction manual, ensuring users can begin experiments with minimal setup.

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