President Kabila votes in DRCongo election

What is the primary unit of time measurement discussed in the video?

• Second

• Hour

• Millisecond

• Minute

How is a second defined in terms of atomic properties?

• By the flow of water

• By the rotation of the Earth

• By the vibration of cesium atoms

• By the movement of the sun

Which of the following is NOT a common application of seconds?

• Cooking recipes

• Measuring distances

• Scientific experiments

• Timing sports events

Why are seconds important in scientific experiments?

• They help in measuring weight

• They determine the color of light

• They provide precise time intervals

• They are used to calculate speed

What is the significance of a second in everyday life?

• It helps in determining the weather

• It is used to schedule daily activities

• It calculates the area of land

• It measures the height of buildings