SSC CGL Official PYQGeneral Awareness12 Sep 2025 (Shift 1)
Q.
Which instrument is used to measure atmospheric pressure?
A
a) Hygrometer
B
b) Barometer
C
c) Ammeter
D
d) Altimeter
Correct Answer: Option B)
Detailed Step-by-Step Explanation:
A barometer is a scientific instrument used to measure atmospheric air pressure. Hygrometer is for humidity, ammeter for current, and altimeter for altitude.