Wave motionHard
Question
When a metal surface is illuminated with monochromatic light of wavelength λ, the stopping potential is 5V0. When the same metal surface is illuminated with light of wavelength 3λ, the stopping potential is V0. The threshold wavelength for this surface is
Options
A.6λ
B.1.33λ
C.4λ
D.8λ
More Wave motion Questions
The displacement x (in metres) of a particle performing simple harmonic motion is related to time (t in seconds) as x = ...The equation of a wave is y = cosπ (100t − x) where y and x are in cm and t in second. The wavelength of this...A railway engine moving with a speed of 60 m/sec passes in front of a stationary listner. The real freq. of whistle is 4...velocity of sound is measured in hydrogen and oxygen gases at a given temp. the ratio of two velocities will be:...If the density of oxygen is 16 time that of hydrogen. The ratio of their corresponding velocities of sound waves will be...