Very small time intervals are accurately measured by the___________?
A. Pabsars
B. White dwarfs
C. Atomic Clocks
D. None of these
Magnitude of energy released by an earthquake is calculated using ________?
A. Earthquake scale
B. Seismic scale
C. Richter scale
D. Temblor scale
What are the three basic units of measurement for the metric system?
A. Meter, liter and gramme
B. Centimetre, kilograms and metric
C. Kilogram, mass and energy
D. Kelvin, cd and mole
“Beaufort Scale” is used to measure____________?
A. Wind Velocity
B. Air Pressure
C. Wind Direction
D. Humidity
Mohs’ Scale” is used to indicate the_________?
A. Degree of hardness of minerals
B. Degree of viscosity of a liquid
C. Degree of elasticity of a material
D. Degree of brittleness of a substance
Instrument that measure the electric force ________?
A. Hygrometer
B. Hydrometer
C. Ammeter
D. Voltmeter