What is the end value of n in a hydrogen atom transition
what is the end value of n in a hydrogen atom transition, if the electron starts in n=2 and the atom absorbs a photon of light with a frequency of 4.57*10^14 Hz?
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Device has the following specifications.Maximum VIL = 1.67 V Minimum VIH = 3.33 V Maximum VOL = 0.05 V Minimum VOH = 4.95 VAn input is measured to be 3.9 V. How will the device interpret that voltage?
A firefighter of mass 69 kg slides down a vertical pole with an acceleration of 3 m/s2. The acceleration of gravity is 10 m/s2 . What is the friction force that acts on him? Answer in units of N.
An aqueous soultion of uknown salt of ruthenium is electrolyzed by a current of 2.50 amps passing for 50 min. if 2.618 g Ru is produced at the cathode, what is the charge on the ruthenium ions in solution?
A household refrigerator with a coefficient of performance of 2.4 removes energy from the refrigerated space at a rate of 600 Btu/h. Evaluating electricity at , determine the cost of electricity n a month when the refrigerator operates for 360 hours.
A load with impedence z=[25-j50]ohms is to be connected to a loseless transmission line with characteristic impedance Zo.with Zo chosen such that the wave ratio is the smallest possible.what should Zo be?
If the backpack begins to slide when the spring ( = 140 ) stretches by 2.50 , what is the coefficient of static friction between the backpack and the table?
Give the names and charges of the cation in each of the following compounds: CuS, Ag2SO4, Al(ClO3)3, Co(OH)2, PbCO3. Express your answers as ions separated by commas.
An AM radio station broadcasts with a power of 28.0kW at a frequency of 890kHz. Estimate the intensity of the radio wave at a point 13.0km from the broadcast antenna.
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