What factors affect intensity?

In turn, the main factors affecting earthquake shaking intensity are earthquake depth, proximity to the fault, the underlying soil, and building characteristics—particularly height. Let’s take a look at the latter two (soil and buildings) and how they interact.

Does intensity of light depends on its wavelength?

The brightness of light is related to intensity or the amount of light an object emits or reflects. Brightness depends on light wave amplitude, the height of light waves. Brightness is also somewhat influenced by wavelength.

What is light intensity based on?

What is light intensity measured in? The fundamental light intensity unit is the candela, nominally the light given off by one candle, or more precisely, “a source that emits monochromatic radiation of frequency 540 x 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian.”

How do you increase the intensity of light?

You can increase the intensity of the radiation by either increasing the number of photons in it or increasing energy of each photon, or both.

What are the three factors of lighting?

Three-point lighting is a traditional method for illuminating a subject in a scene with light sources from three distinct positions. The three types of lights are key light, fill light, and backlight.

Does light energy depend on intensity?

Yes, the intensity depends, in part, on the frequency. if N is the monochromatic photon emission rate (photons per second), ν is the frequency of the photons, and A is the area these photons are hitting.

How is the luminous intensity of light source determined?

Luminous intensity is defined as dI=dΨλ / dΩ, where dΨλ is the luminous flux (light energy flux in watts per m2) emitted within a solid angle dΩ. The light energy flux may be expressed in terms of the incident x-ray energy flux and the x-ray absorption and conversion properties of the scintillator(7,8,9).

How light intensity affects photosynthesis?

Light intensity Without enough light, a plant cannot photosynthesise very quickly – even if there is plenty of water and carbon dioxide and a suitable temperature. Increasing the light intensity increases the rate of photosynthesis, until some other factor – a limiting factor – becomes in short supply.

What does increasing intensity of light do?

Increasing the light intensity (photon energy per second per unit area) increases the rate at which electrons leave the metal, and the electrons have more kinetic energy. Changing the frequency of the light while keeping the intensity constant should not change the rate of electron emission.

What determines the intensity of a light bulb?

The intensity varies with the distance from the source and the power of the source. Typically, the purpose of a light determines what power bulb will be used in the light. Obviously, a night light bulb will have a lower power rating than the light bulb used in a floor lamp.