When light of wavelength 190 nm falls on a carbon surface, electrons having a maximum kinetic energy of 1.53 eV are emitted. Find values for the following. (a) the work function of carbon eV
(b) the cutoff wavelength nm
(c) the frequency corresponding to the cutoff wavelength Hz

Identify the error in the sentence. my cat was so enormously overweight that the vet suggested, much to my cat's dismay putting him on a diet. a. overweight c. dismay b. suggested, d. diet.

When an object moves in uniform circular motion, the direction of its acceleration is a) in the same direction as its velocity vector. b) in the opposite direction of its velocity vector c) is directed toward the center of its circular path. d) is directed away from the center of its circular path. e) depends on the speed of the object.

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?