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What is the photoelectric effect and how does it provide evidence for the quantisation of electromagnetic radiation?

(Many students have an intuitive understanding of the photoelectric effect and how it demonstrates quantisation, but it is important when preparing for an exam to be able to explain this clearly and preci...

Answered by Rohit P. Physics tutor
1507 Views

In 'Never Let Me Go', what is the relationship between the clones and normality?

You can approach this question about the dystopian novel from multiple perspectives. You could consider the reader’s viewpoint on the clones. Kazuo Ishiguro slowly unveils the fact that the students at Ha...

Answered by Jessica B. English Literature tutor
16989 Views

Explain the concept of bandwidth with regard to a real op-amp and how this differs from the ideal op-amp.

Ideal op-amps are considered to have infinite open loop gain at any frequency, meaning that in a feedback circuit the output voltage will always be as large as it needs to be to bring the potential differ...

Answered by Andrei L. Electronics tutor
1601 Views

A launcher 1m tall fires tennis balls with a velocity of 15m/s at an angle of 20 degrees from horizontal. Neglecting air resistance, calculate the maximum height, time of flight and distance traveled by the ball.

While conceptually simple, drawing on understanding of kinematic equations and vectors, these projectile problems require attention to the details of the problem such as accounting for the launch height a...

Answered by Andrei L. Physics tutor
2549 Views

Would Human Rights survive in the UK if the Human Rights Act 1998 were to be repealed by Parliament?

This question requires one to consider how far civil liberties (the common law or ‘residual’ rights of private citizens) protect human rights in the UK and whether the HRA is necessary in upholding these ...

Answered by Jacob M. Law tutor
1328 Views

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