Changing the frequency of light incident on a metal surface can indeed affect the number of ejected photoelectrons. This phenomenon is known as the photoelectric effect and is described by Einstein's equation: E = hf - Φ, where E is the kinetic energy of the ejected electron, h is Planck's constant, f is the frequency of the incident light, and Φ is the work function of the metal. As the frequency of the incident light increases, the kinetic energy of the ejected electrons also increases, resulting in a higher number of ejected photoelectrons.
Yes, changing the frequency of incident light can indeed change the speed of ejected photoelectrons. As mentioned before, the kinetic energy of ejected electrons depends on the frequency of the incident light. Therefore, a change in frequency will result in a change in the kinetic energy and consequently, the speed of the ejected electrons.
Yes, there is an optimal frequency for maximizing the number of ejected photoelectrons. This frequency is known as the threshold frequency and is specific to each metal surface. It is the minimum frequency of the incident light required to eject electrons from the metal surface. Any frequency below this threshold will not result in the ejection of photoelectrons.
Yes, increasing the frequency of the incident light can result in the ejection of more energetic photoelectrons. As the frequency increases, the kinetic energy of the ejected electrons also increases, resulting in more energetic photoelectrons. This is why higher frequency light, such as ultraviolet light, is more effective in causing the photoelectric effect than lower frequency light.
No, changing the frequency of incident light does not have any effect on the work function of the metal surface. The work function is a characteristic property of the metal and is not affected by the frequency of the incident light. However, changes in the work function can affect the threshold frequency required for the photoelectric effect to occur.