AS and A Level: Microscopes & Lenses

Discover fantastic essays... Learn from Teacher-annotated essays and dramatically improve your grades

Students learn faster on Marked by Teachers. Learning from worked examples accelerates learning by 29%. Use this accelerated learning to reach your potential

101 AS and A Level Microscopes & Lenses essays

Peer Reviewed essays 16

Physics coursework; Finding the focal length of a lens using a graphical method.

4 star(s)

This piece of work is presented in a clear and logical way. This helps the examiner identify the areas for awarding marks very quickly and reduces any questions over whether…
- Essay length: 1625 words
- Submitted: 10/05/2006
- Reviewed by: crystalclearmagic 23/03/2012
Microscopes. Using electrons instead of light means that the illumination has a much shorter wavelength than light.

4 star(s)

Whilst the student shows an obvious understanding of the topic and question asked, unfortunately they do not directly address their question anywhere in their answer. It is implied that the…
- Essay length: 829 words
- Submitted: 21/03/2005
- Reviewed by: crystalclearmagic 14/03/2012
The advantages and limitations of electron microscopy.

4 star(s)

The introduction was spot on and introduced the student's work well. It addressed the question and guides the reader well into the essay. The response is clearly set out and…
- Essay length: 1308 words
- Submitted: 12/01/2004
- Reviewed by: crystalclearmagic 20/03/2012
Ray tracing

4 star(s)

The candidate has planned and carried out an experiment to investigate the relationship between the the distance an object is from the lens and the focal distance and size of…
- Essay length: 635 words
- Submitted: 11/07/2002
- Reviewed by: dragonkeeper13 18/07/2012
Microscopy. History of the microscope:-

3 star(s)

The candidates introduction starts off well, they introduce the term light microscope, they explain what a microscope is and what it is used for. This is very good, however an…
- Essay length: 1498 words
- Submitted: 02/12/2007
- Reviewed by: pictureperfect 25/07/2012
Electron microscopes allow the viewer to see much smaller objects than the original light microscopes. The wavelength of electrons is thousands of times smaller than the wavelength of light

3 star(s)

The candidate fails to include a suitable introduction to this piece of writing instead they simply dive straight into the essay and its main points. Having a good introduction is…
- Essay length: 509 words
- Submitted: 10/05/2006
- Reviewed by: pictureperfect 01/07/2012
What Are the Advantages and Disadvantages of A Light And Electron Microscope?

3 star(s)

The comparison of advantages and disadvantages is done very well but the level of detail is lacking. The student simply tends to state the advantages and disadvantages and for A…
- Essay length: 875 words
- Submitted: 31/03/2006
- Reviewed by: crystalclearmagic 27/03/2012
An Essay about Microscopes

3 star(s)

As I don't know what the question set is, it is hard to judge how well the student has answered the question. Ultimately I believe that the student has addressed…
- Essay length: 920 words
- Submitted: 31/03/2006
- Reviewed by: crystalclearmagic 22/03/2012
A comparison between light microscopes with electron microscopes

3 star(s)

The candidate starts with a good opening sentence, they define the terms linked with the word microscope, which is good way to engage the reader. However their introduction is just…
- Essay length: 833 words
- Submitted: 20/02/2006
- Reviewed by: pictureperfect 03/07/2012
How to use a Light Microscope

3 star(s)

The candidate gives a clear introduction, therefore the purpose of this piece of work is obvious form the beginning which is important. They also go to describe an optical microscope…
- Essay length: 796 words
- Submitted: 14/02/2006
- Reviewed by: pictureperfect 26/07/2012