Question

In the formula e = hf if e is doubled and f is halved, what happens to the value of h ?

Answer 1

Step-by-step explanation:

the value of f i f e is doubled

Answer 2

The value of h remains the same as it is a constant quantity.

Step-by-step explanation:

The energy of a photon is given by :

E = hf

f is the number of vibrations per second or the frequency of wave.

h is Planck's constant

The value of Planck's constant is $6.63\times 10^{-34}\ J-s$.

If E is doubled, its frequency gets halved. But the value of h remains the same as it is a constant quantity.

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Energy of the wave

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