DESCRIPTION:

The apparatus is designed to determine the Stefan Boltzmann constant. The apparatus consists of a hemisphere fixed to a Bakelite plate, the outer surface of which forms the jacket to heat it. Hot water to heat the hemisphere is obtained form a hot water tank, which is fixed above the hemisphere. The copper test disc is introduced at the centre of hemisphere. The temperatures of hemisphere and test disc are measured with the help of temperature sensors.

The present set-up has a facility to interface the system with computer which enables to log the experimental data using computer. The educational software and data-logging package has been developed for unit. The software environment base is of Lab view of NATIONAL INSTRUMENTS, USA. This software is compatible to interfacing unit designed by “Lab Smith”. This software package provides a comprehensive educational software environment within which the

Investigations can be performed. This software is capable to tabulate the sample readings according to the requirement of experiment under study and results obtained can be compared. The real time data acquisition can be done by interfacing the set-up with computer using software. Software allows the user to have control on data logging, printing the stored data, preparing spread sheets in Excel etc.

EXPERIMENTATION:

• Determination of Stefan Boltzmann constant and study the effect of hemisphere temperature on it.

UTILITIES REQUIRED:

• Electricity Supply : 1 Phase, 220 V AC, 2 kW.
• Table for set-up support.
• Computer System: Pentium IV with DVD Drive, Windows 7, MS-Office pre-loaded. One USB slot
• required in PC for DATA ACQUISITION CARD.

TECHNICAL DETAILS : 

Ordering Details: