Advertisements
Advertisements
प्रश्न
Name the unit in which the work function of a metal is expressed.
Advertisements
उत्तर
A work function of a metal is expressed in terms of the electron volt (eV).
APPEARS IN
संबंधित प्रश्न
What are isobars?
Define bound electrons.
How is a cathode ray beam affected while passing through an electric field?
What is meant by Radioactivity?
Are all the radiations viz. α, β and γ emitted in a single radioactive decay?
88Ra226 experiences three α - decay. Find the number of neutrons in the daughter element.
A radioactive material decays by simultaneous emissions of two particles with half-lives of 1400 years and 700 years respectively. What will be the time after which one-third of the material remains? (Take In3 = 1.1)
Assertion (A): Hydrogen atom consists of only one electron but its emission spectrum has may lines.
Reason (R): Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found.
Which decay process involves the emission of a particle with a comparatively large mass and a positive charge?
