Question
Bolometer is used to measure
–Solution
A bolometer is a device for measuring the power of incident electromagnetic radiation via the heating of a material with a temperature-dependent electrical resistance. IL was invented in 1878 by the American astronomer Samuel Pierpont Langley. A bolometer consists of an absorptive element, such as a thin layer of metal, connected to a thermal reservoir (a body of constant temperature) through a thermal link.
Gulf of khambat is the mouth for which rivers
Study of Science of rocks which form the unit of earth crust is known as ?
Which rivers demarcate the boundaries of Kangchenjunga? Â
Consider the following pairs:
Which of the pairs give...
Vitamin B-12 contains?
Which one of the following is an artificial lake?Â
These forests provide commercially viable wood like Teak. Th ey are marked by high degree of gregariousness. Amla and sandalwood are also found in these...
Which Indian state is Uttar Pradesh's neighbor to the west?
When you travel in Himalayas, you will see the following:Â
1. Deep gorges
2. U-turn river courses
3. Parallel mountain ranges
...The Ideal temperature for the growth of Bajra is between
