Which instrument is used to measure minute electrical currents?

1. 1. Spectrometer
   2. Electrolyte
   3. Galvanometer
   4. Chronometer

The instrument which detects presence of electric current is called _____.

1. 1. Electroscope
   2. Monometer
   3. Endoscope
   4. Seismograph

The instrument used to measure atmospheric pressure is called _____.

1. 1. Milometer
   2. Spectrometer
   3. Hydrometer
   4. Barometer

The instrument used to view rapidly moving objects is called _____.

1. 1. Stroboscope
   2. Redar
   3. Tachometer
   4. Stereoscope

The instrument used to measure distance, elevations and bearings during survey is called _____.

1. 1. Monometer
   2. Taceometer
   3. Hydrometer
   4. None of these

The instrument designed for testing the purity of milk is called _____.

1. 1. Lactometer
   2. Monometer
   3. Tachometer
   4. Tonometer

Seismograph is used for _____.

1. 1. predicting earthquakes
   2. recording earthquakes
   3. testing purity of milk
   4. detecting and measuring earthquakes

COVID-19 Stands for _____.

1. 1. Corona Virus Disease – 2019
   2. Corona Virus Infectious Disease – 2019
   3. Corona Virus International Disease – 2019
   4. Corona Virus Individual Disease – 2019

The constellation of seven bright stars is known as _____.

1. 1. The Milky Way
   2. The Great Bear
   3. Asteroids
   4. Satellites

Day and Night are equal on _____.

1. 1. 21st March
   2. 21st September
   3. 1st October
   4. 21st December