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Hooke's Law Apparatus
Hooke's Law Apparatus (Product Code: SLE/PHY/190) is a spring-extension stand used to show that the extension of a spring is proportional to the load applied to it, in school and college physics practicals. It has a 150 mm adjustable mirror scale marked in millimetres, mounted on a sturdy 300 mm rod and wooden base, and comes complete with a 250 g slotted weight set and 3 springs. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Scale | 150 mm adjustable mirror scale, marked in millimetres |
| Mirror | Helps prevent parallax error when reading |
| Support | Sturdy 300 mm rod mounted on a wooden base |
| Spring mounting | Hook on the rod supporting a coiled spring with mass hanger and indicator |
| Supplied with | 250 g slotted weight set and 3 springs |
| Demonstrates | Extension of a spring is proportional to the load applied |
| Product code | SLE/PHY/190 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Hooke's Law Apparatus Used For?
Students add slotted masses to the hanger one at a time and read the indicator against the millimetre scale after each addition. Plotting load against extension gives a straight line, and its gradient gives the spring constant. Repeating the test with each of the 3 springs shows that a stiffer spring stretches less under the same load, which makes this a complete Hooke law spring kit for Indian school and college labs.
Before loading, slide the adjustable scale so the indicator sits at a convenient starting mark. Read each value with the indicator lined up with its own reflection in the mirror to avoid parallax, add masses gently, and remove them at the end to check that the spring returns to its starting point.
What to Specify When Ordering
- Number of sets, for example one per practical group.
- Any extra slotted weights or spare springs beyond the included 250 g set and 3 springs.
- Delivery location, for school, college or export orders.
OEM Manufacturer
Each Hooke's law apparatus is built by Jain Scientific Equipments Private Limited, trading as ScienceLab, which is the OEM (original equipment manufacturer) and makes it at its own licensed factory in Saha, Ambala, Haryana. The company supplies it factory-direct to schools, colleges, institutions and distributors in India and international markets.
Spare springs or weights for sets already in use can be requested from the maker itself — ask us. Company information is on the ScienceLab profile.
Related Physics Lab Equipment
These items extend spring and elasticity experiments:
- Extension Spring, Steel — additional springs to test.
- Hangers with Slotted Weights 500 gm — extra load for further trials.
- Force Meter/Spring Balance — an everyday instrument that works on Hooke's law.
- Hook's Law And Spring Rate — an engineering-lab version for spring-rate testing.
Browse more in Physics Lab Equipment.
Frequently Asked Questions
What comes with the Hooke's Law Apparatus?
The Hooke's Law Apparatus has a 150 mm adjustable mirror scale on a 300 mm rod with wooden base, a hook holding a coiled spring with mass hanger and indicator, and is supplied complete with a 250 g slotted weight set and 3 springs.
Why does the Hooke's Law Apparatus have a mirror scale?
The mirror scale on the Hooke's Law Apparatus helps prevent parallax error. Students line up the indicator with its reflection before reading, so every reading is taken from directly in front of the scale.
How do students find the spring constant with this apparatus?
With the Hooke's Law Apparatus, students record the extension for each added load, plot load against extension and measure the gradient of the straight line. That gradient is the spring constant of the spring being tested.
What is the maximum load for the springs?
The Hooke's Law Apparatus is supplied with a 250 g slotted weight set. Safe maximum loads for the individual springs are not stated in our listing, so ask us before adding heavier masses to avoid overstretching a spring.
Who manufactures the Hooke's Law Apparatus?
The Hooke's Law Apparatus is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab) as the OEM, at its own licensed factory in Saha, Ambala, Haryana, India, and quotations come directly from the manufacturer.
Can ScienceLab supply sets for a whole physics lab?
Yes. ScienceLab supplies the Hooke's Law Apparatus in quantities for full practical classes, dealers and export buyers in India and international markets. Share the number of sets and your location for a quotation.
Request a Quote
For Hooke's Law Apparatus pricing, contact us through the contact page or add sets to the enquiry cart. The manufacturer quotes you directly, including any extra springs or weights.
Last updated: 24 September 2026
