Light with a frequency of 8.70 × 1014 Hz is incident on a metal that has a work function of 2.80 eV. What is the maximum kinetic energy that a photoelectron ejected in this process can have? (1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ? s)

A) 8.7 × 10-19 J
B) 3.1 × 10-19 J
C) 1.3 × 10-19 J
D) 2.4 × 10-19 J
E) 4.5 × 10-19 J


C

Physics & Space Science

You might also like to view...

The study of the structure and evolution of the Universe is called ________.

A. archaeology B. cosmology C. astrology D. anthropology

Physics & Space Science

The Zeeman effect can be used to determine the _______ our Sun and other stars

a. rotation speed of b. mass of c. color of d. magnetic field on e. radial velocity toward or away from

Physics & Space Science

An organ pipe closed at one end and open at the other end has two successive harmonics with frequencies of 2170 Hz and 2790 Hz. What is the fundamental frequency of the pipe?

What will be an ideal response?

Physics & Space Science

Metric System: An area of 1.00 × 102 cm2 is how many square meters?

A. 1.00 m2 B. 1.00 × 102 m2 C. 1.00 × 10-2 m2 D. 1.00 × 104 m2 E. 1.00 × 10-3 m2

Physics & Space Science