Light with a wavelength of 310 nm is incident on a metal that has a work function of 3.80 eV

What is the maximum kinetic energy that a photoelectron ejected in this process can have? (1 eV = 1.60 × 10-19 J, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s)
A) 0.62 × 10-19 J
B) 0.21 × 10-19 J
C) 0.36 × 10-19 J
D) 0.48 × 10-19 J
E) 0.33 × 10-19 J


E

Physics & Space Science

You might also like to view...

Directly above Earth's equator lies the ________ in the sky.

A. Celestial equator B. ecliptic C. North Celestial Pole D. South Celestial Pole

Physics & Space Science

Metals are good conductors of both heat and electricity due to

A) similar thermal and electrical conductive properties. B) looseness of outer electrons in metal atoms. C) relatively high densities of metals. D) high elasticity of metals. E) both transferring energy easily.

Physics & Space Science

Another name for glucose is

a. dextrose. b. malt sugar. c. sucrose. d. lactose.

Physics & Space Science

In a series RLC ac circuit, a second resistor is connected in series with the resistor previously in the circuit. As a result of this change, what happens to the impedance of the circuit?

A) It increases. B) It does not change. C) It increases for frequencies below resonance and decreases for frequencies above resonance. D) It decreases for frequencies below resonance and increases for frequencies above resonance. E) It decreases.

Physics & Space Science