The energy of the electron in the hydrogen atom has only certain ______________ values
Fill in the blank(s) with correct word
discrete, or allowed
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What value of n corresponds to a wavelength of 91.7 nm in the Lyman series?
A) 3 B) 5 C) 1 D) 13 E) 9
A spiral galaxy is the result of the collision and merger of galaxies that leave moderate to large amounts of gas in the system.
Answer the following statement true (T) or false (F)
A negatively-charged rod is brought close to (but does not touch) two neutral spheres that are in contact with each other but insulated from the ground. If the two spheres are then separated, what kind of charge will be on the spheres?
A) The sphere near the charged rod becomes negative and the other one becomes positive. B) Both spheres become negative. C) The sphere near the charged rod becomes positive and the other one becomes negative. D) The spheres do not get any charge. E) Both spheres become positive.
A beam of electrons is accelerated through a potential difference of 10 kV before entering a velocity selector
If the B-field of the velocity selector has a value of 0.010 T, what value of the E-field is required if the particles are to be undeflected? A) 2.3 × 103 V/m B) 7.9 × 103 V/m C) 5.9 × 105 V/m D) 6.0 × 105 V/m E) 7.2 × 106 V/m