The Cow - 2:51
We had contracted with Moses for forty nights. But you wronged yourselves after him and served the calf.
The detail of the worship/service of the calf by the Children of Israel:
Ta-Ha/20:83
Why did you hasten to leave your people, Moses?
Ta-Ha/20:84
"They are following instruction,"he said, "and I hastened toward you, my Lord, that you may be pleased."
Ta-Ha/20:85
"He said, "We tested your people after you, and Samiri led them astray."
Ta-Ha/20:86
"Moses returned to his people, angry and disappointed, and said, "My people, did not your Lord give you a good promise? Could you not wait? Or did you break your covenant with me in order to incur the wrath of your Lord?"
Ta-Ha/20:87
We did not break our promise to you according to our own minds. The ornaments of that people were carried to us. We threw them away. This is what Samiri has brought forth.
Ta-Ha/20:88
"He raised for them the image of a braying calf. They said: "This is your God and the God of Moses, but he (Moses) forgot"."
The Women/4:153
"The people of the Book ask you to send down to them a Book from the sky. They had asked Moses for something greater than that and said, "Show us Allah physically". They were struck by lightning because of their transgression. They served the calf even after clear proofs came to them. Again We forgave them, and We gave Moses a clear authority."
The Heights/7:148
The people of Moses made after him a calf of ornaments, a calf with a roar, and idolized it. Did they not see that it was incapable of speaking and guiding them? They became of the wrongdoers by adopting it.