I have a few questions about applying to REU programs. I've heard that some schools are a lot more selective than others...but how would you know which ones are the hardest/easiest to get into? I mean...I want to apply a some safeties (even getting into these will probably be difficult for me)...
Homework Statement
The helium-neon lasers that we use in lab produce light waves with an average power
of 0.85 mW. Suppose that at a distance of 1.0 m from the laser the beam has a diameter
of 1.1 mm. a) What is the average intensity of the laser beam 1.0 m from the laser? b)
What is the...
Homework Statement
8) A long straight horizontal wire is oriented along the north-south direction. Conventional
current flows through the wire from south to north.
a) What is the direction of the magnetic field at a point 5.0 cm above the wire?
b) A compass placed 5.0 cm above the wire...