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In the Rutherford alpha scattering experiment, most particles passed straight through the foil with little or no deflection. What can be deduced about the structure of the atom from this?

Answer: Most of the atom's mass must be concentrated in a small area at the centre of the atom. This is known as the nucleus.

Answered by Megan R. • Physics tutor

2219 Views

A populist argument for Brexit was that the Westminster Parliament cannot remain sovereign (in control) whilst the UK is a part of the European Union. Do you think this is true? Why/why not?

There is no correct answer to this question, it is designed more to see how the pupil reasons. However, the student should show a common sense and logical analysis of the things that they are already awar...

Answered by Makeda B. • Oxbridge Preparation tutor

1022 Views

Annie, Brandon and Clara are buying pencils. Annie needs 5, Brandon needs 8 and Clara needs 13. Pencils only come in packs of 10. How many packs of pencils do they need to buy between them?

Since Annie needs 5 pencils, Brandon needs 8 pencils and Clara needs 13 pencils, the total number of pencils they need between them is 5 + 8 + 13 = 26. However, pencils only come in packs of 10, which mea...

Answered by Kate P. • Maths tutor

2011 Views

What are groynes?

Groynes are man-made low walls or sturdy timber barriers built into the sea. They are a form of coastal protection that are built at right angles to the shore to prevent longshore drift. These structures ...

Answered by Natasha F. • Geography tutor

7302 Views