What is Google Adsense?

Google Adsense is a program run by Google which helps you advertise products on your website and blogs. The advertisements displayed can generate revenue for the website owners on a per click or per impression basis. Google considers the content of the website and displays the relevant ads on the webpage so that the traffic viewing the site are attracted by the advertisement and hence get to know about the products.

Source of the Adsense revenue

Money paid to the bloggers come from the advertisers. Advertisers deal with google to  display ads thinking that the viewers while going through the webpage will also come across the product and services offered.

Getting approved on Google Adsense

It is easy to be  associated with Google Adsense. The only thing is that you have to be a little bit patient and you should have a website or a blog.
For signing on Google Adsense, just follow this link below:

https://www.google.com/adsense/v3/signup?utm_content=nsufv1&gsessionid=u8gTcTFxbqCUpb-mDWnoRA

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Sign in with your Google account and complete the application by folllowing the instructions.
You will receive an email for confirmation of your email address. Confrm it and wait for another email conveying you about your application status.

Maximize Google Adsense revenue

There is only one way to maximize the income and  that is to increase the traffic on your website, It can be done by publishing informative content along with relevant images and videos. You can publicise through social sites like facebook, twitter, etc, or by word of mouth. You can also use google and yahoo search engines for the same. 

Don't use unfair means
You should keep in mind that if you apply wrong tactics like viewing the ads yourself,  Google might block you for not complying with its policies and agreements and as a result you can end up losing your account.

So, if you want to earn some cash from your site Google Adsense is the easiest way to do it.