According to the quantum theory of radiation, when a vibrating charged particle emits radiation it
(a) continues vibrating without making any change in its state of vibration.
(b) suddenly loses a portion of its charge.
(c) suddenly turns into a photon.
(d) instantaneously changes from a particle to a wave.
(e) instantaneously changes from one state of vibration to a different state.
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Which of the following does the intensity of synchrotron radiation NOT depend on?
A) mass of the electron B) temperature C) speed of electrons D) frequency of radiation E) strength of the magnetic field
An 18-mm-wide grating has rulings of 710 lines per millimieter. Monochromatic light of wavelength 506 nm wavelength is incident normally on the grating. What is the largest angle from the centerline at which an intensity maximum is formed?
A) 46° B) 44° C) 42° D) 40° E) 38°
Which of the following statements pertaining to a vacuum flask (thermos) is NOT correct?
A. Silvering reduces radiation loss B. Vacuum reduces conduction loss C. Vacuum reduces convection loss D. Vacuum reduces radiation loss E. Glass walls reduce conduction loss
Volcanism can occur in a mid-ocean rift, above a hot spot in the mantle, or where one tectonic plate slides below another
a. True b. False Indicate whether the statement is true or false