NO
4when a source of monochromatic light of wavelength 6.0 x 10-7 m is viewed 2.0 m away
through a diffraction grating two similar lamps are seen one on each side of it, each 0.00
away from it. Calculate the number of lines in the grating.
(5 marks)

It is true that prior to 1914 the united states often had been disturbed by events in other continents. we had even engaged in two wars with european nations and in a number of undeclared wars in the west indies, in the mediterranean and in the pacific for the maintenance of american rights and for the principles of peaceful commerce. but in no case had a serious threat been raised against our national safety or our continued independence. what is the theme of this excerpt? a. the responsibility for americans to avoid involvement in war.b. america’s history of international involvement.c. a new kind of threat to american security.d. america’s history as a peaceful nation.

Which statement is correct about the civil rights act of 1964?

While in prison, malcolm's introduction to the elijah muhammad's teachings forces him to reflect on his own past experiences. why do those experiences persuade him to join the nation of islam? what, in malcolm's experiences, draws him to an activism more militant than the nonviolent activism of martin luther king jr?