Plank's Constant by LED

Get a Price/Quote

Plank's Constant by LED Specification

Control Type
Digital & manual potentiometer adjustment

Power Supply
12V DC external adaptor

Shape
Rectangular box

Display Type
Digital voltmeter and digital ammeter

Accuracy
0.01 V (LED threshold voltage measurement accuracy)

Features
Multiple LED sockets, user-friendly panel, robust construction, LED selector switch, high measurement precision

Type
Planks Constant Determination Apparatus by LED

Dimension (L*W*H)
300 mm x 150 mm x 150 mm (approx)

Equipment Type
Physics Laboratory Instrument

Equipment Materials
High quality plastic insulation with metal fittings and electronic components

Power
Requires external DC power supply

Voltage
12V DC input

Material
Plastic body with metal and electronic internal components

Application
Physics laboratory apparatus for determining Plancks Constant using the LED method

Plank's Constant by LED Trade Information

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 Plank's Constant by LED

Plank's Constant by LED

Specification of Plank's Constant by LED:

0-5V DC at 2mA, continuously variable IC regulated.
short circuit protected power supply with 1K ten.
potentiometer for fine voltage control.
Digital panel meter 3½ digit 20 Volt DC.
Digital panel meter 3½ digit 2000mA DC.
For different colour LED'S (Red, Yellow, Blue, Green)
Mains ON/OFF switch & Fuse.
operative on 230V ±10% at 50Hz AC.

Versatile LED Options

This apparatus supports red, green, yellow, blue, and white LEDs, allowing students and researchers to examine the variations in Plancks Constant across different semiconductor materials. The rotary selector switch makes switching between LEDs effortless during the experiment.

High Measurement Accuracy & Safety

With a threshold voltage accuracy of 0.01 V and current ranging up to 20 mA, precise readings are guaranteed. Fused input protection safeguards the device against overvoltage, and the equipment meets standard laboratory electrical safety guidelines for worry-free operation.

User-Friendly Operation

A digital voltmeter and ammeter offer clear, real-time data display. The color-coded terminals and control panel are designed for intuitive use, supported by an instructional manual and a robust set of test leads and clips, making setup and measurement straightforward for students and educators.

FAQs of Planks Constant by LED:

Q: How does the Planks Constant Determination Apparatus by LED work?

A: This apparatus allows users to apply voltage across different colored LEDs and precisely measure the threshold voltage at which each LED begins to emit light. By analyzing the voltage readings and known wavelengths of the LEDs, you can determine Plancks Constant in a laboratory setting.

Q: What types of LEDs can be used in this experiment?

A: The instrument supports a selection of red, green, yellow, blue, and white LEDs, enabling experiments that compare the threshold voltages and corresponding energies of each LED type.

Q: When is this equipment typically utilized in physics education?

A: It is commonly used in undergraduate and advanced high school physics labs when students are learning about quantum mechanics, specifically the measurement and significance of Plancks Constant.

Q: Where should the apparatus be set up for safe operation?

A: The device should be installed in a standard physics laboratory environment with access to a 12V DC external power supply, following routine electrical safety procedures as recommended in the instructional manual.

Q: What is the process for determining Plancks Constant using this device?

A: Select the desired LED type using the rotary switch, connect the test leads to the color-coded terminals, and gradually increase the applied voltage. Record the voltage at which the LED emits light using the digital display, and use these readings to calculate Plancks Constant.

Q: How does the design ensure user safety during experiments?

A: It incorporates fused input protection to guard against overvoltage, uses high quality plastic insulation and conforms to established laboratory electrical safety standards. These features minimize risks during student operation.

Q: What benefits does this apparatus offer for physics experiments?

A: It delivers high precision, easy switching between LED types, clear digital measurement displays, and robust construction. These attributes facilitate reliable, repeatable experiments and foster better understanding of quantum concepts for learners.

Tell us about your requirement