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The threshold frequency for a certain metal for photoelectric effect is `1.7x10^(15)Hz`. Whe
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The threshold frequency for a certain metal for photoelectric effect is `1.7x10^(15)Hz`. When light of frequency `2.2xx10^(15)Hz` is incident on the metal surface, the kinetic energy of the emitted photoelectrons is `3.3xx10^(-19)J`. What is the value of the Planck's constant ?
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