Answer:
The answer to your question is the Photoelectric effect.
Explanation:
Resistance = (voltage) / (current)
(1.5 V) / (24 A) = 0.0625 ohm.
All that business about the description of the conductor ...
its length, size, temperature, color, price, etc. ... is only
there to distract and confuse us. It's all irrelevant.
Answer:
t = 121 nm
Explanation:
given,
silicon solar cell = n = 3.50
layer of silicon dioxide = n = 1.45
minimum coating of silicon layer thickness = ?
wavelength of reflection = 700 nm
using condition of destructive interference


n is refractive index of silicon
m is order of fringe
λ is wavelength
m = 0,1,2..

for minimum m = 0

t = 121 nm
hence, the minimum thickness of the coating is equal to t = 121 nm
Answer:
B
Explanation:
momentum = mass * velocity
velocity = initial speed + acceleration * time where initial speed =0, acceleration = 9.81, time = 4