Complete the following sentences.
1. The speed of light is ______________________
2. All waves can be described in terms of their amplitude, wavelength and _____________________
3. A beam of blue light has a wavelength of 624 nm. Its frequency is ________________________
4. The frequency of a wave is the number of complete waves passing a fixed point in a __________.
5. The distance from crest to crest in a wave is called _______________
6. The wavelength of microwave radiation is longer than the wavelength of what radiations? _________________________________________________________________________________.
7. The color of visible light that has the longest wavelength is _____________.
8. A heat lamp produces _______________
9. A wave with a high frequency has a short _________________.
10. UV stands for what radiation? _____________________
Fill in the electromagnetic radiations in correct order from highest frequency to lowest frequency..
11. ____________ high frequency
12. ____________ dangerous radiations 11-13
13. ______________
14. ____________ colors of the visible spectrum. 14-19
15.____________
16. ____________
17. ___________ middle frequency
18. ___________
19.____________
20. ______________
21. ______________ long wavelength radiations 20-23
22. ______________
23. ______________ low frequency
24. Complete the following table.
Name Proton Neutron Electron Mass Number
Boron-11
Chromium-52
Sulfur-32
Tin-120
Carbon-12
25. The average atomic mass of an element is the relative mass of an atom compared to a selected standard which is ______________________