Which instrument is used to measure the electric current flowing through a circuit.
A) Ammeter
B) Voltmeter
C) Ohmmeter
D) Wattmeter
Answer: A) Ammeter
Which instrument is used to measure the radiation levels in a particular area.
A) Geiger counter
B) Spectrophotometer
C) Radiation dosimeter
D) Spectroscope
Answer: A) Geiger counter
Which instrument is used to measure the blood pressure of a patient.
A) ECG machine
B) Sphygmomanometer
C) Stethoscope
D) Pulse oximeter
Answer: B) Sphygmomanometer
Which instrument is used to measure the pH level of soil.
A) Soil pH meter
B) Soil thermometer
C) Soil moisture meter
D) Soil compaction meter
Answer: A) Soil pH meter
Which instrument is used to measure the force or weight of an object.
A) Force meter
B) Weight scale
C) Weighing balance
D) Spring balance
Answer: D) Spring balance
Which instrument is used to measure the depth of a body of water.
A) Barometer
B) Altimeter
C) Bathometer
D) Thermometer
Answer: C) Bathometer
Which instrument is used to measure the velocity and direction of wind.
A) Hygrometer
B) Anemometer
C) Thermometer
D) Barometer
Answer: B) Anemometer
Which instrument is used to measure the density of a liquid or gas.
A) Hydrometer
B) Refractometer
C) Spectrophotometer
D) Thermometer
Answer: A) Hydrometer
Which instrument is used to measure the angle of inclination or slope of a surface.
A) Protractor
B) Theodolite
C) Clinometer
D) Sextant
Answer: C) Clinometer
Which instrument is used to measure the speed of an object in motion.
A) Chronometer
B) Tachometer
C) Chronograph
D) Stopwatch
Answer: B) Tachometer
