Search our library of A Level questions

Top answers

All subjects

A Level

How do I get started in my EPQ?

I'd say to make a plan for yourself. You want to ensure that you stick to your chosen topic and not digress; you only have 5000 words so you want to keep it subject specific! Write out your question on a ...

Answered by Tutor135548 D. • Extended Project Qualification tutor

4132 Views

Evaluate whether monetary policy is the best method of reducing inflation.

DefinitionMonetary policy (3 sections - interest rates, exchange rates, money supply), fiscal policy, inflation (demand and cost driven), supply-side policies. Apply to question always - any relevant exam...

Answered by Luke Y. • Economics tutor

1763 Views

Three forces of magnitude 50N, PN, QN all act in a horizontal plane in equilibrium. The diagram shows the forces. DIAGRAM: QN = EAST, 50 = SOUTH, PN = 120 DEGREES ANTICLOCKWISE FROM QN a) Find P. b) Find Q.

a) Resolving vertically: Pcos(120-90)=50. Find P from this equation.b) Resolving horizontally: Psin(120-90)=Q. Find Q from this solution.

Answered by Chloe J. • Maths tutor

4082 Views

How would you use the Integration Factor method to solve an ordinary first-order linear differential equation?

The word "ordinary" means that there are only two variables, "first-order" means that the highest derivative is the first derivative and "linear" means that the highest power...

Answered by Kelvin C. • Further Mathematics tutor

2728 Views

You have a layer of glass with a refractive index of 1.5 and the glass is surrounded by air. A light ray shines into the glass and Total Internal Reflection occurs at the glass-air boundary. What is the critical angle?

This question tests your knowledge of Snell's law, Total Internal Reflection (TIR) and the fact that the refractive index of air is 1 (which should be memorised as it is in the exam). The critical angle i...

Answered by Kelvin C. • Physics tutor

3601 Views