What wavelength is needed

Assignment Help Physics
Reference no: EM13990147

An energy of 30.5 ev is needed to remove an electron from the n = w state of a lithium atom. if a single photon accomplishes this task what wavelength is needed?

Reference no: EM13990147

Questions Cloud

Explain consumer shopping tendencies for skin care products : What consumer behavior trends,concepts,or theories can help explain consumer shopping tendencies for skin and hair-care products
What is the electron energy when removed : What energy is required to completely remove an electron from the n = 3 level of hydrogen? What is the electron's energy when removed?
What are the biggest challenges facing danaher : What are the biggest challenges facing Danaher in 2010? What can Larry Culp do to prepare the organization for these challenges
Average variable costs are minimized at a rate of output : Use only integers (whole numbers) without decimal points or other symbols for your answers. Round to the nearest integer if necessary.
What wavelength is needed : An energy of 30.5 ev is needed to remove an electron from the n = w state of a lithium atom. if a single photon accomplishes this task what wavelength is needed?
What percent of variation are restaurant sales explained : Which of the coefficients are statistically significant and which are not? Explain. What percent of variation are restaurant sales explained by this equation?
Identify average water usage per month : Thirty households in a Paarl suburb were surveyed to identify their average water usage per month (in kilolitres, kl). The usage per household was:
Company financial embezzlement cases : Article topic ideas: Information breaches (these will be the vast majority), disgruntled employee cases involving data theft or leaking of information and company financial embezzlement cases that are directly related to IT
Equity portfolio-car sales : Find the average price paid per share in an equity portfolio consisting of: 40 shares bought for R15 each; 10 shares bought for R20 each; 5 shares bought for R40 each; and 50 shares bought for R10 each. Use the weighted average formula.

Reviews

Write a Review

Physics Questions & Answers

  Calculate the exact location and height of the image

A diffraction grating is placed 1m from a viewing screen. Light from a hydrogen lamp goes through the grating. A hydrogen spectral line with a wavelength of 656nm is seen 60cm to one side of the center. The n the hydrogen lamp is replaced with a m..

  What is the angle formed between wire and ground

what is the angle formed between wire and ground?

  Suppose our experimenter repeats his experiment on a planet

suppose our experimenter repeats his experiment on a planet more massive than earth where the acceleration due to

  Determine the total time of flight horizontal range

A shell is fired at an angle 30 degree to the horizontal with a velocity 196 m/s. Find the total time of flight horizontal range and maximum height attained.

  What is the highest needle speed

Presume the needle moves 7.5 mm from its highest to its lowest position and it makes 26 stitches in 9.1 s. What is the highest needle speed.

  Determine the phase angle for the circuit

A 46.6 ?F capacitor is connected to a 46.7 ? resistor and a generator whose RMS output is 24.4 V at 54.0 Hz. Calculate the phase angle for the circuit

  How to find out the magnitude of the acceleration

How to  find out the magnitude of the acceleration

  Calculate the mechanical energy lost due to friction

A sledge loaded with bricks has a total mass of 17.0 kg and is pulled at constant speed by a rope inclined at 19.9° above the horizontal. What is the mechanical energy lost due to friction

  Find the charge-to-mass ratio of the particle

A charged particle moves through a velocity selector at a constant speed in a straight line. The electric field of the velocity selector is 4290 N/C, Find the charge-to-mass ratio of the particle

  Find the current that flows during a pulse

An implanted pacemaker supplies the heart with 72 pulses per minute, each pulse providing 3.0 V for 0.95 ms, Find the current that flows during a pulse

  What is the amplitude of the voltage across the resistor

In an L-R-C series circuit, 305 , 0.401 , and 5.98×10-8 . When the ac source operates at the resonance frequency of the circuit, What is the amplitude of the voltage across the resistor

  What is the rate of change of momentum of the ball

The velocity of a ball changes from m/s to m/s in 0.02 s, due to the gravitational attraction of the Earth and to air resistance. What is the rate of change of momentum of the ball

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd