Bolometer is used to detect ______________
Infrared rays
Ultraviolet rays
X rays
γ rays
Bolometer
Hence, the correct option is A.
Which effect of electric current is utilised for detecting the flow of current through a solution : (a) when a torch bulb is used ? (b) when a compass is used ?
______ is a device used to detect the nature of charge on a body.
A scientific instrument used to detect the charge on a body is known as: