Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
What types of waves are there? |
Longitudinal+transverse |
|
|
What type of wave is Sound? |
Longitudinal |
|
|
What type of wave is light? |
Transverse |
|
|
How many colours are there in the visible part of Electromagnetic spectrum? |
7 |
|
|
How many types of radiation is there? |
Alpha, Beta and Gamma |
|
|
What is meant by Ionising Radiation? |
Ionising radiation is a specific type of radiation that knocks electrons out to create ions. It causes mutation in DNA and can cause cancer. |
|
|
Which type of ionising radiation is the most penetrating? |
Gamma rays |
|
|
Which type of radiation is at least penetrating |
Alpha particles (Helium Nucleus) |
