Answer:
200 nm
Explanation:
We need a constructive interference to see the bright reflection
we know that
where m=1 and
is the wavelength of the gasoline
so 
putting the value of m and
in thickness equation

so the thickness of the film will be 200 nm
Answer: Awnser below.
Explanation:
Basically, what you're going to need for a computer from my basic knowledge is a motherboard, of course, this is so you can actually use your computer. You'll need a PSU, or so called, a power supply. This will give power to your motherboard and the other components with it. You will need a CPU, this is basically the brains of the computer. This will run your operating system, and main componets. A GPU, this will give you a display for your monitor. And of course, ram. Ram will be giving you display for your monitor, and for running tasks.
For more components, you would need a hard drive, or an SSD, which will store your files and operating system. And of course, a keyboard, mouse, and monitor.
Answer:
Plain text, Rich Text, and HTML format
Explanation:
In Outlook 2016, three formats are allowed. You can send the plain text only or you can send using the Rich text format. However, there is another sending format as well that is allowed, and it is the HTML format. And by default, if you will let the Outlook choose the most appropriate sending format then the email message will be sent using the HTML format.