0
Still curious? Ask our experts.
Chat with our AI personalities
Blake
Coach
ProfessorAdd your answer:
Earn +20 pts
What lights up on a Christmas tree?
Usually, strings of Christmas lights light up a Christmas Tree. Nowadays, the lights are more likely to be LEDs.
In what year were the first Christmas Lights used?
The first Christmas lights were used in 1882. Edward H. Johnson, an associate of Thomas Edison, hand-wired 80 red, white, and blue light bulbs and hung them on his Christmas tree in New York City.
Where were Christmas lights invented?
Christmas lights were invented in 1882 by Edward H. Johnson, who was an associate of inventor Thomas Edison. Johnson, who was the vice president of Edison's electric company, hand-wired 80 red, white, and blue light bulbs and strung them around his Christmas tree in his New York City home.
What is a lamp on a microscope?
A lamp on a microscope is a light source that provides illumination for the specimen being observed. It is typically positioned under the stage of the microscope to shine light up through the specimen, making it easier to see and analyze. The intensity and angle of the light can be adjusted to optimize visibility.
What is instrument that you can view the different colors of light produced by a light bulb?
A spectrophotometer is an instrument that can be used to view and analyze the different colors of light produced by a light bulb. It is used to measure how much light is absorbed by a substance at different wavelengths.
