consider the grating of width 5cm in which the width of the slit is 0.0001 cm seprated by distance of 0.0002 cm. what is grating element?how many order be obserbed?​

Select the correct answer from each drop-down menu. read the following excerpt from the novel "oliver twist" by charles dickens. although oliver had been brought up by philosophers, he was not theoretically acquainted with the beautiful axiom that self-preservation is the first law of nature. if he had been, perhaps he would have been prepared for this. not being prepared, however, it alarmed him the more; so away he went

Which excerpt from leo tolstoy's the death of ivan ilyich reflects the author's opinion that the members of the medical profession don't really care about their patients?

The courage that my mother had went with her, and is with her still: rock from new england quarried; now granite in a granite hill. the golden brooch my mother wore she left behind for me to wear; i have no thing i treasure more: yet, it is something i could spare. oh, if instead she'd left to me the thing she took into the grave! - that courage like a rock, which she has no more need of, and i have. based on the 2nd stanza, how does the speaker feel about the golden brooch that was passed down from the mother to child? question 2 options: a: the speaker thinks it was a waste of money b: the speaker places a high value on the item c: the speaker never wears the brooch d: the speaker feels it could be easily replaced