The radiation emitted from a small hole in a furnace is
a. ultraviolet
b. infrared
c. x ray
d. microwave
e. blackbody
E
You might also like to view...
A rod has a length 2.00000 m at 10.0°C. The length of the rod increases to 2.00060 m when the temperature increases to 30.0°C. What is the coefficient of linear expansion of the material from which the rod is made?
A) 1.5 × 10-5/K B) 1.0 × 10-5/K C) 1.0 × 10-3/K D) 2.5 × 10-5/K E) 2.0 × 10-5/K
A Carnot cycle operates with an efficiency 0.60 between a low temperature heat bath at 20.0°C and a high temperature heat bath. What is the temperature of the high temperature heat bath?
A) 33.3°C B) 50.0°C C) 489°C D) 460°C E) 215°C
A boat moves at 10.0 m/s relative to the water. If the boat is in a river where the current is 2.0 m/s, how long does it take the boat to make a complete round trip of 1.00 km upstream followed by a 1.00 km trip downstream?
Comet impacts might have been a good mechanism for seeding the hot early Earth with the water and molecules of life
Indicate whether the statement is true or false