Understanding Time Measurement
Interactive Video
•
Physics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a physical clock primarily used for?
To measure the Earth's orbit
To determine the world's time zones
To measure temperature changes
To calculate the speed of light
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is a second defined in the International System of Units (SI)?
As the time for a pendulum to swing back and forth
As the time light takes to travel 1 meter
As the duration of 9,192,631,770 cycles of cesium 133 atom radiation
As the time taken for the Earth to rotate once
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of atomic clocks over pendulum clocks?
They do not require any power source
They have higher accuracy due to stable atomic oscillations
They are more portable
They are cheaper to produce
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in the operation of an atomic clock?
Exposing atoms to microwave radiation
Counting the shifted state B atoms
Eliminating atoms in state A
Heating atoms in an oven
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How often do atomic clocks make a one-second error?
Every 100 years
Every 1,000 years
Every 10 million years
Every 100 million years
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atomic clocks are there worldwide?
1,000
100
200
400
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the Deep Space Atomic Clock (DSAC)?
To measure the Earth's gravitational pull
To improve satellite signaling accuracy
To replace all existing atomic clocks
To measure the speed of sound in space
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
