What is the developmental period during which a person will experience the most amount of physical change?
2 answers:
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The energy of a photon is given by
where h is the Planck constant and f is the photon frequency.
We can find the photon's frequency by using the following relationship:
where c is the speed of light and
is the photon's wavelength. By plugging numbers into the equation, we find
And so now we can find the photon energy
We know that 1 Joule corresponds to
So we can convert the photon's energy into electronvolts:
where h is the Planck constant and f is the photon frequency.
We can find the photon's frequency by using the following relationship:
where c is the speed of light and
And so now we can find the photon energy
We know that 1 Joule corresponds to
So we can convert the photon's energy into electronvolts:
Answer:
The induced voltage in the coil is 0.25 V.
Explanation:
It is given that,
Area of a square coil is 2 cm or 0.02 m
Number of turns in the wire is 2500
A uniform magnetic field perpendicular to its plane is turned on and increases to 0.25 T during an interval of 1.0 s.
We need to find the induced voltage in the coil. According to Faraday's law, the induced emf in the coil is given by the rate of change on magnetic flux. So,
So, the induced voltage in the coil is 0.25 V.