Answer:
I say the correct answer is the 3rd one.
Explanation:
Answer is number 3
Answer:
D, think of chemical changes. When iron rusts it is chemically changed. The other answers are a change in form or a property of iron.
The relationship between the wavelength of light and the quantity of energy per photon (b) they are inversely related.
Wavelength of light is defined as the distance between two crest or trough of the waves of light. The wavelength is denoted by the letter lambda (λ). Photon is simple a packet of light. It is an elementary particle that is a quantum of the electromagnetic field.
According to the Planck-Einstein relation,
E = hν (where, E = Energy of photon; h = Planck's constant and ν = frequency of oscillation)
ν = c/λ (where c = speed of light and λ = wavelength)
Therefore, E = h (c/λ)
Hence, Energy per photon is inversely proportional to wavelength of light.
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