Here are the answers to the waves & radiation questions.
I’ve put together a collection of exam questions from old standard grade and intermediate 2 papers that fit the national 5 curriculum. Try these before moving on to past papers and check your answers using the solutions that I will post next. No cheating!
Here are the solutions to the Electricity & Energy questions. Mark allocations are highlighted in red.
Here are questions from Standard Grade and Intermediate 2 that are appropriate revision for the electricity and energy unit of national 5. Answers to follow.
Here are the revision questions for dynamics and space. They are taken from old standard grade and intermedite 2 past papers. I have adjusted the marks to fit national 5.
We’ve been looking at the photoelectric effect this week. In this video, Professor Dave reviews some of the points we covered in class.
Click on the picture below to download a simulation to investigate the effect of irradiance on frequency on photocurrent. You’ll be prompted to install Java if you don’t have it already.
Once the animation is running, you can;
- change the metal under investigation (we used zinc in class)
- vary the wavelength of the incident light
- vary the irradiance of the incident light.
Notice that below the theshold frequency you can’t get any photoelectrons, even if you set the light to its brightest setting.
Compare your results to the graphs provided in your notes.
I have attached some notes & questions on the photoelectric effect. Click on the link below to download a copy.
As school is closed today, here are some revision links with you to help with preparation for the unit assessment on Monday.
The link below will give you a copy of the Scholar notes for unit 1. Log in to your Scholar account to access their tests and check your progress.
Here is a link to some revision notes for the Our Dynamic Universe unit.
This is the first of two posts with summary notes to help you prepare for the unit assessment next week. Don’t forget that there are also nice notes with built-in tests on BBC Bitesize.