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When a clean surface of potassium metal is exposed to blue light electrons are emitted if the intensity of the blue light is increased what will also increase?
i have the same question on my test haha
for me, the answers are:
a) The number of electrons ejected per second
b) the maximum kinetic energy of the ejected electrons
c) the threshold frequency of the ejected electrons
d) the time lag between the absorption of blue light and the start of emission of the electrons
e) none of these A the number of electrons ejected per second,,,,, correct answer
What else can I help you with?
Why will fires increase in frequency and intensity during global warming?
Because the temperature on the Earth is increased.
Is it true that an increase in light intensity will not increase the rate of photosynthesis?
No, that is not true and increasing light intensity increases the photosynthetic rate, to a point. The saturation point is reached when the reactions in the reaction center have reached top speed and any more light intensity will not increase the rate of photosynthesis.
Will the increase of light intensity increase the temperature?
Yes, an increase in light intensity generally leads to an increase in temperature. This is because higher light intensity results in more energy being absorbed by surfaces, which then convert that energy into heat. This effect is particularly noticeable in materials that absorb light effectively, as they will warm up more quickly with increased light exposure. However, the actual temperature change will also depend on factors such as the material's properties and environmental conditions.
What will happen to resistivity when temperature is increased?
When the temperature is increased, the resistivity of a material typically also increases. This is because at higher temperatures, the thermal vibrations of the atoms in the material increase, leading to more collisions with free electrons, which in turn increase resistance.
Why will a nonmetal gain electrons and increase in size when combining with a metal?
Non-metals have a set amount of electrons, though metals have a sea of electrons; this means that metals can have a normal variety of charges to choose from. Some extra electrons may go to the non-metal, though I'm not sure about the increase in size.
If the intensity of a sound is increased by a factor of 100 what will the new decibel level be?
If the intensity of a sound is increased by a factor of 100, the new decibel level will be 20 dB higher. This is because the decibel scale is logarithmic, so a 10-fold increase in intensity results in a 10 dB increase, and a 100-fold increase in intensity results in a 20 dB increase.
How do you increase the intensity of the x - ray?
The intensity of the x-ray can be increased by the voltage going to the cathode which will increase the amount of electrons being given off through the vacuum and hitting the tungsten target which means more electrons hitting the target so more x-ray radiation being given off. You can also change how fine the beam is because if you have the beam of electrons focused on one area then the increase of the electrons hitting that one area will cause the increase in x-rays being given off instead of them being spread out over a large area.
Why will fires increase in frequency and intensity during global warming?
Because the temperature on the Earth is increased.
How does the intensity of light affect the electrons emitted from a metal?
Increasing the intensity of light results in more photons hitting the metal surface, which can increase the number of electrons emitted through the photoelectric effect. This can lead to a higher current of ejected electrons being generated.
What is the effect of doubling the intensity of light on the number of electrons being emitted from a metal?
Visible light of a different frequency is a different color. Visible light of a higher frequency is closer to the violet end of the spectrum. If the frequency of a light source were increased, then the wavelength of its emission would decrease, because the product of (frequency) x (wavelength) is always the same number for all light in the same medium.
Does adding electrons to the circuit increase the emf?
No. But if you increased the EMF across the circuit, then more electrons would flow through it each second.
Which conditions increase the intensity of S2?
Conditions that can increase the intensity of the S2 heart sound include high blood pressure, pulmonic stenosis, aortic stenosis, and conditions that lead to increased blood flow through the pulmonary or aortic valves.
What is increase intensity?
increase in extent
What happens as a result of an increase in the intensity of?
An increase in the intensity of exercise leads to a higher demand for energy. This can result in increased heart rate, respiration, and blood flow to deliver oxygen and nutrients to muscles. Additionally, it can lead to a greater production of waste products like lactic acid.
How do decibels increase exponentially in relation to sound intensity?
As sound intensity increases, decibels increase exponentially. This means that a small increase in sound intensity can result in a much larger increase in decibel level.
Is On a decibel scale an increase of 10 decibels means an intensity increase of?
An increase of 10 decibels represents a tenfold increase in intensity. For example, going from 50 dB to 60 dB corresponds to a tenfold increase in sound intensity.
How does an increase in intensity change the amplitude?
An increase in intensity of a wave causes the amplitude to increase as well. This is because intensity is directly proportional to the square of the amplitude of the wave. So, as intensity increases, the amplitude of the wave also increases.
