instrument used to calculate time of photographic exposure ?
Correct!
Wrong!
-
instrument for measuring altitude ?
Correct!
Wrong!
-
instrument for measuring electrical current?
Correct!
Wrong!
-
instrument for recording movements of the heart ?
Correct!
Wrong!
-
instrument for measuring time ?
Correct!
Wrong!
-
instrument for measuring rainfall ?
Correct!
Wrong!
-
instrument for issuing automatic tickets?
Correct!
Wrong!
-
instrument for recording pulse ?
Correct!
Wrong!
-
instrument for measuring revolutions of a wheel?
Correct!
Wrong!
-
instrument for measuring colour of sea or lake water ?
Correct!
Wrong!
-
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