|
The instrument used to measure the temperature of the source from its thermal radiation is |
|||
|
(a) |
hydrometer |
(b) |
barometer |
|
(c) |
thermopile |
(d) |
pyrometer |
|
The instrument used to measure the temperature of the source from its thermal radiation is |
|||
|
(a) |
hydrometer |
(b) |
barometer |
|
(c) |
thermopile |
(d) |
pyrometer |