Author Question: The theory proposing light as a particle is supported by 1.the sparks created in Hertz' ... (Read 70 times)

jwb375 · **on:** Jul 28, 2018

The theory proposing light as a particle is supported by

1.the sparks created in Hertz' experiment with the spark gap oscillator.
2.the speed of light turning up in Maxwell's equations.
3.the interference caused by light in Young's double slit experiment.
4.the photoelectric effect Hertz discovered.

Question 2

A solenoid is stretched uniformly to a greater length. If the pre-stretch magnetic field was B, and the length increased 50, what is the new value for the internal magnetic field in terms of B assuming the current does not change?
1. B/2
2. B
3. 3B/2
4. 2B/3