Young's Modulus Apparatus (Vernier Type)
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Product Code : EL-EAST-10412
Quick answer: The Young's Modulus Apparatus (Vernier Type) measures the Young's modulus of a wire from its extension under load, read on a 10 cm brass scale with a sliding vernier to 0.1 mm. It comes complete in a case with wire, ceiling attachment and a constant cast iron weight. Lab Exports manufactures it in Delhi for schools, colleges and universities.
Specifications
| Item | Specification |
|---|---|
| Method | Vernier type |
| Scale | 10 cm brass scale with sliding vernier |
| Reading accuracy | 0.1 mm |
| Supplied as | Complete in case with wire, ceiling attachment and constant cast iron weight |
How the Young's modulus experiment is done
A wire of length L and radius r stretched by a load M extends by an amount l. Within the elastic limit the extension is proportional to the load, and Young's modulus follows from Y = MgL/(pi r^2 l). On this apparatus the change in the vernier reading as weights are added gives the extension directly, while the constant cast iron weight keeps the wire taut so that kinks do not register as stretch.
Because the vernier reads to 0.1 mm, extensions of a millimetre or more give the best accuracy, so a long wire and a load that stays well within the elastic limit are used. Readings taken while loading and unloading should agree; if they do not, the wire has been overstrained.
- Fix the ceiling attachment firmly and hang the wire with the constant weight so it is straight.
- Measure the length of the wire and its diameter at several points with a screw gauge.
- Note the vernier reading with only the constant weight in place.
- Add weights in equal steps, waiting a moment before each reading, then take readings while unloading.
- Average the loading and unloading readings, plot load against extension and use the slope in the formula.
Key features
- 10 cm brass main scale with sliding vernier reading to 0.1 mm
- Simple, robust alternative to micrometer-based Young's modulus set-ups
- Supplied complete with wire, ceiling attachment and constant cast iron weight
- Carrying case keeps the parts together between practicals
- Suits standard school and college elasticity practicals
Documentation and supply
Most Lab Exports products carry a one-year manufacturer warranty.
Lab Exports manufactures the vernier type Young's modulus apparatus at its works in Laxmi Nagar, Delhi, and supplies it to schools, colleges and universities in India and 60+ countries, handling the export documents for each shipment. More about the company is on the About Lab Exports page.
Related Elasticity and Surface Tension products
- Young's Modulus Apparatus (Searle's Pattern) (EL-EAST-10411)
- Hooke's Law Apparatus (EL-EAST-10413)
- Rigidity Apparatus (Searle's Pattern) (EL-EAST-10414)
- Poisson's Ratio of Rubber Apparatus (EL-EAST-10415)
- Capillary Tube Clamp (EL-EAST-10416)
- Rising Table with Capillary Tube Clamp (EL-EAST-10417)
The full range is in the Elasticity and Surface Tension section of the Physics Lab range.
Frequently asked questions
What does the vernier on this Young's modulus apparatus read to?
It reads to 0.1 mm on a 10 cm brass scale with a sliding vernier.
Why is a constant weight used?
It keeps the wire taut and straight before loading starts, so the readings record true elastic extension rather than the straightening of kinks.
What is the price of the vernier type Young's modulus apparatus?
Prices are not published on the website. Add the vernier type Young's modulus apparatus to the Enquiry Cart with the Add To Cart button on this page, or email [email protected] with the house code EL-EAST-10412 and the quantity, to receive a quotation.
Does Lab Exports manufacture the vernier type Young's modulus apparatus?
Yes. Lab Exports manufactures the vernier type Young's modulus apparatus at its works at 11/315, Lalita Park, Laxmi Nagar, Delhi 110092, under house code EL-EAST-10412.
Request a quote
Email [email protected] with the house code EL-EAST-10412 and the quantity, or add the vernier type Young's modulus apparatus to the Enquiry Cart with the Add To Cart button on this page. Tender buyers can also see the Tenders and OEM page.
