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Q: What is the illuminance on a table that is 5 m away from a source of light that has a luminous flux of 1275 lm?
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Is table luminous or non luminous?

It's non-luminous


Is a table non luminous?

Some tables may be painted with luminous paint. Most are not luminous.


What is an example of indirect light?

Where light has bounced off a surface first, rather than coming direct from the source. For example, light coming from an object on a table such as an apple. There is no light in the apple, but light comes off it from a bulb or the sun.


How high to you hang a light over a table?

The specific height of a light above a table depends on the purpose of the table. It is recommended that a light be about 30 inches above a dining room table and about 18 inches above a gaming or work table.


What objects give light in the home?

Lamps of various kinds (ceiling lamps, standard lamps, desk lamps, table lamps, etc.); also, candles, torches, TV and (most) computer screens, LEDs (Light Emitting Diodes; e.g. the power light on a TV or computer), and anything that gets hot enough to glow, so the heating elements of electric cookers and ovens and some electric heaters also fit into this category. You could include luminous objects like the luminous (sometimes radioactive) paint on the hands of some analogue clocks. Oh, and of course the Sun as well - it probably provides drastically more light than any other source in most homes. I guess other stars also contribute, but not so much that you'd notice. Although whether these celestial objects even count as answers to your question depends on exactly what you mean by 'give light in the home.' I can't think of any others. Hope this helps :)

Related questions

Is table luminous or non luminous?

It's non-luminous


Is a table non luminous?

Some tables may be painted with luminous paint. Most are not luminous.


Is lamps is luminous?

Yes, anything that gives off light e.g. the sun is luminous. So would be a lamp and the moon, however not all things e.g. Not a mirror, not a table and not a piece of paper.


What is an astral lamp?

An astral lamp is a type of oil lamp that produces a bright and steady flame. It is often used for decorative purposes or as a source of light in outdoor settings. The term "astral" refers to its ability to produce a luminous and ethereal light.


Is lamp luminous?

Yes, anything that gives off light e.g. the sun is luminous. So would be a lamp and the moon, however not all things e.g. Not a mirror, not a table and not a piece of paper.


What is an example of indirect light?

Where light has bounced off a surface first, rather than coming direct from the source. For example, light coming from an object on a table such as an apple. There is no light in the apple, but light comes off it from a bulb or the sun.


What is the difference between a pool table light and a billiards table light?

There is no difference.


What is the Formula for working out luminous intensity?

Table 1. SI photometry unitsvteQuantity Symbol[nb 1] SI unit Symbol Dimension Notes Luminous energy Qv [nb 2] lumen secondlm⋅s T⋅J [nb 3] units are sometimes called talbots Luminous flux Φv [nb 2] lumen (= cd⋅sr) lm J also called luminous power Luminous intensity Iv candela (= lm/sr) cd J an SI base unit, luminous flux per unit solid angle LuminanceLv candela per square metre cd/m2 L−2⋅J units are sometimes called nitsIlluminanceEv lux (= lm/m2) lxL−2⋅J used for light incident on a surface Luminous emittance Mv lux (= lm/m2) lx L−2⋅J used for light emitted from a surface Luminous exposure Hv lux secondlx⋅s L−2⋅T⋅J Luminous energy density ωv lumen second per metre3 lm⋅⋅m−3 L−3⋅T⋅J Luminous efficacy η [nb 2] lumen per wattlm/WM−1⋅L−2⋅T3⋅J ratio of luminous flux to radiant flux Luminous efficiency V 1 also called luminous coefficient


How high to you hang a light over a table?

The specific height of a light above a table depends on the purpose of the table. It is recommended that a light be about 30 inches above a dining room table and about 18 inches above a gaming or work table.


Size of light over kitchen table?

What is the rule of thumb to size a light over a table?


What is a good source of iodine?

Iodized table salt.CheapIodine.com is a great source for Iodine.


The table or tables from which a query gets its data is the?

Data Source