Phy problems 1

1. http://postimg.org/image/bqxh0wzwz/ 2. http://postimg.org/image/efbojv14h/ http://postimg.org/image/hk7j1hbkj/ what does the word aperture mean? how is the answer obtained? 3. http://postimg.org/image/d6nw9j3cj/ could you please explain the graph for diffraction? why are there increases in intensity... show more 1. http://postimg.org/image/bqxh0wzwz/




2. http://postimg.org/image/efbojv14h/
http://postimg.org/image/hk7j1hbkj/

what does the word aperture mean? how is the answer obtained?




3. http://postimg.org/image/d6nw9j3cj/

could you please explain the graph for diffraction? why are there increases in intensity beside the central one?



4. http://postimg.org/image/oj4ve3t89/
http://postimg.org/image/nvt396u1j/

who no diffraction takes place in part d?




5. http://postimg.org/image/5ft84vezp/

why is it A?


6. http://postimg.org/image/y0is5kfor/

how is sound related to density and temperature of the medium?



7. http://postimg.org/image/4fjg76lxz/
http://postimg.org/image/nbspqz0q7/

why would the max reading appear beside O but not at O?




Thanks
Update: 1. could you please show me your calculation?

5. why is D incorrect?

thanks!
1 answer 1