Question

During a brown-out, the electric power company drops the voltage ofthe power line and the incandescent light bulbs in your housebecome dimmer. When this happens, the filaments in the bulbsoperate at a lower than normal temperature, so
A)their color is somewhat bluer thannormal.
B)they emit ultraviolet light.
C)their color is the same as normal, but theyare less bright.
D)their color is somewhat redder thannormal.
Hint:
The Wien Law gives the wavelength of the peakof the radiation distribution, λmax =3´106/T. Here λ is measured inunits of nanometer = 10-9 m and T is in Kelvin.
So as the temperature decreases the wavelengthincreases. In the visible region, red light has the longestwavelength and violet light has the shortest wavelength.

Answer 1

The filaments in the bulbs operate at a lower than normal temperature, Their color is somewhat redder than normal.

Using a thermometer, one can gauge temperature. Thermometers are calibrated using several temperature scales that traditionally depended on different reference points and thermometric materials for definition. The most popular scales are the Kelvin scale (K), which is mostly used for scientific reasons, the Fahrenheit scale (°F), and the Celsius scale, with the unit sign °C (formerly known as centigrade). One of the International System of Units' seven basic units is the kelvin (SI).

The thermodynamic temperature scale's lowest point is absolute zero, or zero kelvin or 273.15 °C. According to the third rule of thermodynamics, it can only be extremely closely approximated but not actually attained during experiments.

Learn more about temperature here:

https://brainly.com/question/9959381

#SPJ4