Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q. The work function of a metal surface is 1.8 eV. Compute the threshold wavelength.
Work function W = hγo = h C / λ 0
λ 0 = h C / W
= 6.626 X 10-34 X 3 X 10 8 / 1.8 X 1.6 X 10 -19
= (19.878 / 2.88) X 10-7 m
= 6.902 X 10-7 m
Illustrate Gibbs - Helmoltz equation. What are its applications? A Heat engine operating between temperatures 300 K and 500 K rejects 6 Kcal of heat to the sink. How much heat i
Verify the principle of potentiometer. Illustrate a circuit diagram used to compare the e.m.f. of two primary cells. Write the formula used. How can the sensitivity of a potentiome
Physics is one of the types of science. Science works according to scientific method . The scientific method accepts only logic, reason, and experimental evidence to tell betw
Assume a car rolls down a 52.0-m-long inclined parking lot and is stopped by a fence. If it took the car 11.25 s to roll down the hill, what was the acceleration of the car bef
Over the universe differ in magnitude from place to place. It is get that many places have the similar value of magnetic components. The lines are illustrated connecting all places
A ray of light itinerant in air passes through a flat plate of glass. Refraction takes place. Where the refraction does occurs? Ans: Refraction takes places when light tra
production and analysis of diffrent polarised light
A 985-kg car travelling south at 29.0 m/s hits a truck travelling 18.0 m/s west, as shown in the figure below. After the collision, the vehicles stick together and travel with
When hydrogen atom is excited, it returns to its normal unexcited (or ground state) state by emitting the energy it had absorbed previous. This energy is given out by the atom in t
When white light is normally occurrence on a diffraction grating the first order maximum for which colour of light occurs at the greatest angle with respect to the straight ahead d
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd