What does crookes radiometer mean?
Definitions for crookes radiometer
crookes radiome·ter
This dictionary definitions page includes all the possible meanings, example usage and translations of the word crookes radiometer.
Princeton's WordNet
Crookes radiometernoun
electromagnetic radiometer consisting of a small paddlewheel that rotates when placed in daylight
Wikipedia
Crookes radiometer
The Crookes radiometer (also known as a light mill) consists of an airtight glass bulb containing a partial vacuum, with a set of vanes which are mounted on a spindle inside. The vanes rotate when exposed to light, with faster rotation for more intense light, providing a quantitative measurement of electromagnetic radiation intensity. The reason for the rotation was a cause of much scientific debate in the ten years following the invention of the device, but in 1879 the currently accepted explanation for the rotation was published. Today the device is mainly used in physics education as a demonstration of a heat engine run by light energy. It was invented in 1873 by the chemist Sir William Crookes as the by-product of some chemical research. In the course of very accurate quantitative chemical work, he was weighing samples in a partially evacuated chamber to reduce the effect of air currents, and noticed the weighings were disturbed when sunlight shone on the balance. Investigating this effect, he created the device named after him. It is still manufactured and sold as an educational aid or for curiosity.
ChatGPT
crookes radiometer
A Crookes radiometer, also known as a light mill, is a scientific instrument invented by William Crookes in the 1870s. It consists of an airtight glass bulb containing a partial vacuum and a spindle with several (usually four) vanes or blades that are each black on one side and white on the other. The vanes rotate when exposed to light or heat, with the movement typically being interpreted as a result of the black surface absorbing more photons or thermal energy than the white surface. The radiometer is widely used to demonstrate the conversion of light energy into mechanical energy, although the exact mechanism of operation remains a subject of debate.
Wikidata
Crookes radiometer
The Crookes radiometer, also known as the light mill, consists of an airtight glass bulb, containing a partial vacuum. Inside are a set of vanes which are mounted on a spindle. The vanes rotate when exposed to light, with faster rotation for more intense light, providing a quantitative measurement of electromagnetic radiation intensity. The reason for the rotation has historically been a cause of much scientific debate. Today the device is mainly used in physics education as a demonstration of a heat engine run by light energy. It was invented in 1873 by the chemist Sir William Crookes as the by-product of some chemical research. In the course of very accurate quantitative chemical work, he was weighing samples in a partially evacuated chamber to reduce the effect of air currents, and noticed the weighings were disturbed when sunlight shone on the balance. Investigating this effect, he created the device named after him. It is still manufactured and sold as a novelty item.
Matched Categories
Numerology
Chaldean Numerology
The numerical value of crookes radiometer in Chaldean Numerology is: 1
Pythagorean Numerology
The numerical value of crookes radiometer in Pythagorean Numerology is: 5
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"crookes radiometer." Definitions.net. STANDS4 LLC, 2024. Web. 27 Apr. 2024. <https://www.definitions.net/definition/crookes+radiometer>.
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