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Which of the following was the first to provide a real explanation of the results observed in the photoelectric effect? a) de broglie b) hertz c) einstein d) planck ummm im a bit uncertain.....between Planck and Einstein Also, can someone pls tell me what EACH of the above scientists...

ok cool! i was looking into gradients for some reason!! Also, if there was a graph.... Force vs Acceleration - would the GRADIENT be the mass? Thanks

Can anyone explain plss? Thanks

yeaps x = vt Thanks a lot!

i would THINK that a lower value of g would mean that time would be longer... and hence a longer range! right?

so if you double the cross-sectional area , u double the current?

so what would be the answer for part c) at first i thought it would be the same range(as horizontal velocity is not affected by g) ....but i know that g would affect the vertical velocity.....im confused! Thanks

how does the cross-sectional area of a conductor affect the current that passes through it? does it affect anything else other than the current? Thanks

yeah this whole thing is weird!! Thanks guys

dialated lifetimes of mesons penetrating the Earth's atmosphere - What are Mesons? Also, what would be evidence for length contraction and the relativity of simultaneity? Thanks!!

so in that formula q = BA cos x q is the magnetic flux B is the Magnetic Flux Density / Magneitic field strength A is the area is that right? oh and its not the amount of magnetic field lines PER area is it?

by the way.... whats the difference between magnetic flux and magnetic flux density? Thanks!

yeah 80 - 85 hopefully

i did something like..... IF array(row,seat) = "unsold" AND array(row,seat +1) = "unsold" THEN WHILE array(row,seat ) = "unsold" Print array (row, seat) seat = seat + 1 END WHILE END IF

yeaps it is 2D!!

ok cool thanks guys.. so basically, if a question like that pops up the answer would be end user ...only if the person is computer literate , small project and if it is the end user that creates the software right?

i get confused with multiple choice questions involving this. i know end user is when the actual end user creates a piece of software..... but for example, from the 2003 Catholic paper: "Bob runs a small window cleaning company. he has decided to computerise his business to keep a...

For this topic, do we need to know about Line feeds, carriage returns...etc...and know how to use them in algorithms? If so, can u pls explain the difference between Line feeds and carriage returns? Are there any other terms we need to know? Thanks a lot!!

Hey Under which section in the resources are the project management techniques? i cant seem to see it :p Thanks

yeah i got n> 29 too ...i think its right!