Physics is all around us. We are surrounded by its expression - the light of the sun, the wind in our backs and everything we do or think follows the laws of physics. How many of these basic rules of existence do you know? Take our test!
1 of 13
In math, "pi" is equal to?
4.31
3.14
3.41
4.13
2 of 13
Which of these sound-playing devices was invented first?
If my weight is 300 pounds and I walk on the moon, what will be my weight there?
The moon's gravity is 1/6 of Earth's hence our weight would be 1/6 of our weight on Earth. However our mass remains the same.
300 pounds
Zero
50 pounds
150 pounds
6 of 13
Which of these has a frequency higher than that of visible light?
The frequency of visible light is between 4 * 10^14 hertz to 7 * 10^14 hertz. The frequency of ultraviolet light is in between 8 * 10^14 hertz to 3 * 10^16 hertz frequency range. Ultraviolet light is used for sterilization of medical equipment and killing bacteria in water.
Microwave
Ultraviolet
Radiowave
Infrared
7 of 13
True or False: Water will boil faster in a mountainous area than at a sea level area
At sea level water boils at 100 degrees Celsius or 212 degrees Fahrenheit. As the height increases, the boiling point of water decreases due to the decrease in atmospheric pressure. So water will boil faster in mountainous areas.
False
True
8 of 13
Graphite is a crystalline form of which element?
Graphite is also found in batteries and brake linings among many other uses.
Carbon
Lead
Coal
Bronze
9 of 13
What is the velocity of sound in vacuum?
210 km/s
None, there is no sound in a vacuum
100 km/s
120 km/s
10 of 13
Humans are also exposed to radiation from man-made sources. Which of the following man-made sources accounts for the largest percentage of exposure to general populations?
Cleaning products
Medical procedures
Luminous cellphones
Building and road construction materials
11 of 13
What do you call a substance containing only one kind of atom?
An Element
A Proton
A Noble Solid
A Gas
12 of 13
The laws of physics tell us that energy is...
The law of conservation of energy states that energy goes from one form to another and never actually goes away.
Which of these elementary particles is known as "massless"?
Neutrino
Electron
Photon
Proton
Try Again?
You still have quite a bit to learn about the way our universe works. But not to worry, there is so much to learn no... READ MOREYou still have quite a bit to learn about the way our universe works. But not to worry, there is so much to learn no one knows it all! The most important thing is to keep being curious and be willing to learn more.
You didn't answer all questions correctly but you can certainly hold your own when it comes to discussing this universe... READ MOREYou didn't answer all questions correctly but you can certainly hold your own when it comes to discussing this universe of ours. You have some more to learn, but don't we all? You certainly have a scientific curiosity.
You know so much about physics, you could easily teach it! In fact, we hope you are. You stand on the knowledge of... READ MOREYou know so much about physics, you could easily teach it! In fact, we hope you are. You stand on the knowledge of giants. Like them, you like to know and understand the world around you. This is a great attitude to life!
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12/27/2020
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