It is found that for a given pure metal superconductor, photons of wavelength 0.568 mm are sufficient to break the cooper pairs at t = 2.0 k. identify the superconductor.

There are multiple tuning forks present in the room, and annie strikes one with a natural frequency of 400 hz. which of these other tuning forks will begin to vibrate through resonance and make the sound louder? a 200 hz tuning fork a 400 hz tuning fork a 800 hz tuning fork a 1600 hz tuning fork