What is the frequency of vibration

Reference no: EM13660171

1-Take a wave of Infrared radiation of wavelength 1.0 x 10-3 cm. If the amplitude of the wave = 0 at time t = 0, what fraction of the maximum amplitude does the wave possess at time t = 16.68 seconds? (Show calculations)

2-. Radiation of wavelength 620 nm passes through 2 small slits that are 1 cm apart. Will waves that are diffracted by 60° in the same direction from the two slits completely reinforce each other? (Show calculations)
3-calculate the velocity of photoelectrons ejected from a sodium
metal surface, with a work function of 2.46 eV, by ultraviolet light of wavelength
250 nm.by uesing this equation hn = 1/
2mev2 * I
4-A harmonic oscillator has a period of vibration of 4 seconds.

a. What is the frequency of vibration?

b. How many times does the harmonic oscillator pass its starting point in 1 minute?

Reference no: EM13660171

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