Can we get a definition of "normal" please. I would tell you it depends on many factors, but judging by what many other publishers say here in DP, this is pretty normal. I personally would not pleased with those stats.
I am worry about my Adsens account, because in 20 minutes i got 7 clicks, while in the whole day i was getting 20 clicks. Now i am worry that it might be "Click Boom" Im i right or not. Please Guide me.
i think you are checking your stats a little too often. when you check your stat too much, you get all kind of worries. your earning and CTR seems to be average so nothing to be worried with this stat. if someone was click bombing you, there would be lot more than 7 clicks in 20 minutes
Yes, it's normal, & in fact, that's pretty good (but if you have a really high-paying niche site then it's bad).
probably normal. you will have high days and low days. some days, freakishly high clicks and others nothing. at least that has been my experience.
Your CPC is good, you are working good on the keyword. However, your CTR is abit low. Try to get more targeted traffic to increase your CTR wil be good enough It shall be 1.56, not 0.156.