a. Explanation Given data: Wavelength is 550 nm. Formula used: Consider the work function equation. E = h c λ (1) Here, h is the planks constant, which has a standard value as 6.63 × 10 − 34 J ⋅ s , c is the speed of light, which has a standard value as 3 × 10 8 m s , λ is the wavelength. Explanation: Substitute 6.63 × 10 − 34 J ⋅ s for h , 3 × 10 8 m s for c , and 550 nm for λ in equation (1), E = ( 6.63 × 10 − 34 J ⋅ s ) × ( 3 × 10 8 m s ) 550nm = ( 6 b. To determine The number of visible photons emitted per second.

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Question

Chapter 28, Problem 25P

To determine

The energy of photon of visible light of a particular wavelength.

To determine

The number of visible photons emitted per second.

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Chapter 28, Problem 24P

Chapter 28, Problem 26P

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Chapter 28 Solutions

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