Physics, asked by faraz1776, 10 months ago

A photoelectric surface is illuminated successively by
monochromatic light of wavelength ???? and ????/2. If the maximum
kinetic energy of the emitted photoelectrons in the second
case is 3 times that in the first case, the work function of the
surface of the material is :
(h = Planck's constant, c = speed of light) [2015 RS]
(a)hc/????
(b)2hc/????
(c)hc/3???? (d)hc/2????

Answers

Answered by dhananjayyogi123

0

Answer:

i dont know about this question sorry for it study

Previous Question

Next Question

Similar questions

English, 5 months ago

Use appropriate form of the verb given in in the brackets . Neither of the boys ( is / are ) _______ here...

Math, 5 months ago

add 7/2xTo the power2_1/2xto the power 2+5/3to the power 1 _3/2xqube +7/4xsquare _ 1/4x_4...

Political Science, 5 months ago

57. As per Marxism, which one of the following serves as the force, spurring social developing? A. Materialism B. Class contradictions C. The Communist Party D. Socialist ideology...

Physics, 10 months ago

Electron move at right angle to a magnetic field of 1.5 × 10⁻² tesla with speed of 6 × 10⁷ m/s. If the specific charge of the electron is 1.7 × 10¹¹ C/kg. The radius of circular path will be (a) 3.31 cm (b) 4.31cm (c) 1.31 cm (d) 2.35 cm...

Physics, 10 months ago

An alternating electric field, of frequency v, is applied across the dees (radius = R) of a cyclotron that is being used to accelerate protons (mass = m). The operating magnetic field (B) used in the cyclotron and the kinetic energy (K) of the proton beam, produced by it, are given by (a) B= mv/e and K = 2mπ²v²R² (b) B= 2πmv/e and K = m²πvR² (c) B= 2πmv/e and K = 2mπ²v²R² (d) B= mv/e and...

Sociology, 1 year ago

(B.A) 4th semester education questions.... write about relevance of Rousseau ideas towards education in 21st century...

Math, 1 year ago

2x +5=3x-10 solve this equation ...

Geography, 1 year ago

Which type of resource iron ore is...