PHYSICS quiz
Here are sample questions from the PHYSICS category. Think about each answer before revealing it – and then check how you'd do against real players in the app.
What is the name of the person in the photograph?
What is the tangent of an angle of 0 degrees?
0
What is the semiconductor component used, among other things, to amplify signals called?
The transistor was invented in 1947 at Bell Labs by John Bardeen, Walter Brattain and William Shockley. They received the Nobel Prize in Physics for it.
Which planet has the lowest orbital speed?
- Mercury
- Venus
- Earth
- Mars
- Jupiter
- Saturn
- Uranus
- Neptune
The speed is 5.5 km/s.
How many isotopes does hydrogen have?
3
Hydrogen has three isotopes. These are protium, deuterium and tritium.
In which century did the French scholar Blaise Pascal live?
XVII century
He lived from 1623 to 1662; physics owes Pascal’s law to him.
How many cables make up one nautical mile?
10
The cable is a unit of distance used in navigation, equal to 185.2 metres.
How many moons do all the rocky planets in the Solar System have in total?
3
Mercury has no moons. Venus has no moons. Earth – 1 moon. Mars – 2 moons.
Match the units to the physical quantities in the following order: 1. hertz, 2. ohm, 3. volt, 4. newton.
- frequency
- electrical resistance
- voltage
- force
Which letter denotes force in physics?
The symbol comes from the word "force". The SI unit of force is the newton.
What is the unit of electrical capacitance called?
A conductor has a capacitance of 1 farad when a charge of 1 coulomb raises its potential by 1 volt. The name honours Michael Faraday.
How many people have set foot on the Moon?
You can be off by 2.
12
In what units is acceleration expressed in the SI system?
How many centimetres are there in a metre?
100
Which is denser: water or ice?
That is why ice floats on water. Water is densest at about 4 °C.
What is "cold light", the emission of light not caused by high temperature, called?
Arrange the planets of the Solar System from the lightest to the heaviest.
- Mars
- Earth
- Neptune
- Jupiter
Do sound waves need something physical to carry their vibrations?
- No
- Yes
What is the maximum number of electrons in the first electron shell (K)?
2
The successive shells are labeled with the letters K, L, M, N, O, P and Q.
Does gamma radiation penetrate matter?
- No
- Yes
Yes. It is penetrating ionizing radiation – thick layers of lead or concrete are used to shield against it.
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