The phrase "immediately become apparent" is correct and usable in written English.
You can use it to express that something happened quickly and with ease. For example, "The consequences of his bad decision immediately became apparent when he lost all his money."
Consider the three likeliest ways of introducing some "flexibility" into the pact and the political obstacles immediately become apparent.
Using New Technology Two things immediately become apparent: as in many Kubrick films, the line readings are strangely flat, not to the point of unnaturalness but just enough to give them an odd feel.
Two things immediately become apparent: as in many Kubrick films, the speech is strangely flat, not to the point of unnaturalness but just enough to give an odd feel.
Two objections immediately become apparent: "What about the people who want to buy it right away, don't they deserve some sort of judgment?" and "Reviewers can't live with every device that comes their way".
If the main thread of an app stalls, Facebook said, that's okay for a basic app, but if you use a physics-driven UI, those kinds of stalls immediately become apparent to users.
However, if you take even the tiniest of peeks at the distribution of those opt out numbers, one thing will immediately become apparent: New York City, with a test refusal rate of only 1.4%, is not keeping up with the pack.
Nevertheless, our ideological differences immediately became apparent.
Onar's partiality to dogs immediately became apparent.
And it immediately became apparent with the festival orchestra on Sunday that this was serious business.
It immediately becomes apparent that Duane Clark, the director, and Janet Brownell, who wrote the script, missed the film-school class at which the beauty of subtlety was explained.
It immediately became apparent that the fact of my working at home meant the raising of this baby animal would fall to me.
