Top answers

What is the photoelectric effect?

The photoelectric effect refers to the emmision of electrons from a surface, usually a metal, as a result of shining light (EM radiation). The light is absorbed by the electrons on the surface and thus the e...
MC
Answered by Michalis C. • Physics tutor
2508 Views

How is the conditional formed in German?

To form the conditional in German, the Subjunctive 2 (Konjunktiv 2) is used. The Subjunctive 2 is a mood used to express doubt or uncertainty, which is why it is used for the conditional; we are not stating ...
EG
Answered by Emma G. • German tutor
5776 Views

How would you work out the price of a trip if it is usually £24 but a man has a railcard that gives him 30% off?

In order to work out 30% off something you can use two methods. I'll explain both. Method one: Work out 30% of the total price. This would be the same as working out 10% (dividing by 10 = £2.40) and multiply...
CT
Answered by Chloe T. • Maths tutor
3515 Views

How do I show (2n)! >= 2^n((n!)^2) for every n>=0 by induction?

First we need to be clear how to construct a proof by induction. It has two main parts, the base case and the inductive step . Let P(n) denote that the statement is true for a fixed n. Our base case is to ch...
CF
Answered by Connor F. • Maths tutor
8381 Views

What is the possessive pronoun in Latin?

The possessive pronoun is translated as 'my' 'your' 'his' 'their' etc in English, and can be easily confused with the personal pronoun in Latin - especially with regards to 'ego, me' etc (the personal pronou...
CK
Answered by Cian K. • Latin tutor
5063 Views