'Whether' in the Bible

I will go down now, and see whether they have done altogether according to the cry of it, which is come unto me; and if not, I will know.

And the man wondering at her held his peace, to wit whether the LORD had made his journey prosperous or not.

And Isaac said unto Jacob, Come near, I pray thee, that I may feel thee, my son, whether thou be my very son Esau or not.

That which was torn of beasts I brought not unto thee; I bare the loss of it; of my hand didst thou require it, whether stolen by day, or stolen by night.

And he said to him, Go, I pray thee, see whether it be well with thy brethren, and well with the flocks; and bring me word again. So he sent him out of the vale of Hebron, and he came to Shechem.

And they sent the coat of many colours, and they brought it to their father; and said, This have we found: know now whether it be thy son's coat or no.

Send one of you, and let him fetch your brother, and ye shall be kept in prison, that your words may be proved, whether there be any truth in you: or else by the life of Pharaoh surely ye are spies.

And Israel said, Wherefore dealt ye so ill with me, as to tell the man whether ye had yet a brother?