PHYSICS QUIZ

What is the process of comparing an unknown quantity with another quantity of its kind called?

• Calibration

• Measurement

• Estimation

• Evaluation

How many main elements are there in the measurement process?

• 2

• 3

• 4

• 5

What is the fundamental unit of length in the International System of Units (SI)?

• Centimeter

• Meter

• Kilometer

• Millimeter

What is the main advantage of an atomic watch over other time measurement devices?

• Measures long time intervals

• Measures time with a pendulum

• Measures very short time intervals

• Measures time in hours and minutes

Which time measurement device is accurate to about ±0.01 seconds and is used for measuring short time intervals in minutes and seconds?

• Digital watch

• Sundial
• Calendar
• Atomic watch

The periodic time of a simple pendulum is crucial for the operation of which time measurement devices?

• Atomic watch

• Digital stopwatch

• Hand watch

• Wall watch with pendulum

The unit of mass defined as one kilogram is denoted by:

• g

• kg

• mg

• ton

Which time measurement device is suitable for measuring long time intervals in hours, minutes, and seconds, relying on the regular oscillatory motion of a simple pendulum?

• Hand watch

• Digital stopwatch

• Atomic watch

• Ordinary stopwatch

What is the fundamental unit of time in the SI system?

• Minute

• Hour

• Second

• Millisecond

What does SI stand for?

• Standard International

• Systematic Instruments

• Synchronized Indices

• System International