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What is the critical angle of a beam of light leaving a transparent material with a refractive index of 2?

Total internal reflection occurs only when light travels from a medium of high refractive index to a medium of low refractive index. This is the case for our problem (glass to air boundary, n=2 and n=1 respe...
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Answered by Arsenios H. • Physics tutor
4728 Views

What considerations are required when choosing a statistical test for a dataset?

This question gets asked regularly by A Level and University students. There are a few things to consider when choosing a statistical test for data. Note that more complex statistical tests such as ANOVA/MAN...
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Answered by Jack B. • Psychology tutor
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What might be the advantages and limitations of a laboratory experiment?

The main advantage of conducting an experiment in a lab is that variables are easier to control. This is often not the case in a field experiment, as this takes place in a normal environment for the particip...
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Answered by Jack B. • Psychology tutor
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A farmer has a garden shaped into an isosceles triangle. Its side is 7m. He needs to enclose the perimeter, using copper wires, in order to avoid undesirable incidents. Each meter of copper wire cost 2£. How much does he need to pay to secure his garden?

Each side of the triangle is 7 meters, because it is an isosceles triangle. P= perimeterP = 7 +7 +7 P= 21 meters Each meter of copper wire costs 2 £ so, Total cost= Perimeter in meters * Cost per meterTotal ...
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Answered by Iosif D. • Maths tutor
3559 Views

What are the core differences between an intrapreneur and an entrepreneur?

Entrepreneur is an individual who plans and organizes a business. He is a risk taker, a leader and responsible for all the decision taken within the business. On the other hand, Intrapreneur is an employee w...
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