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Do You See the "Light?"

written by: eyez2k1ss
 
Find out how much you know about the amazing nature and properties of light!

Question 1:


We call visible light the electromagnetic radiation belonging to the what wave range?
12,000-15,000 nm
1000-1500 nm
380-750 nm
100-520

Question 2:


Which of the following is not a property of light?
Intensity
Frequency
Viscosity
Polarization

Question 3:


According to the properties it exhibits, light is defined as what?
Both wave and particles
Living organism
Electromagnetic wave
Group of particles

Question 4:


Albert Einstein asserted that the energy of a photon is proportional to what in his study of the photoelectronic effects?
Its mass
Its speed
Its frequency
Its volume

Question 5:


Approximately what is the speed of light in vacuum?
12 000 km/s
250 000 km/s
1 000 000 km/s
300 000 km/s

Question 6:


Light, just as wind, has the ability to push objects in its path.
False
True

Question 7:


What property of light might change its value when a beam of light crosses the border between vacuum and another medium or between two different media?
None of these
The polarization
The intensity
The wavelength

Question 8:


Which of these thermal emissions of light is the rarest in nature?
Blue thermal emission
They are all equally frequent
White thermal emission
Red thermal emission

Question 9:


In his Theory of Relativity, Albert Einstein discloses that when you multiply the speed of light by the mass you get what?
The density
The volume
The energy
The frequency

Question 10:


We watch TV thanks to which of these processes forming light?
Sololuminescence
Fiboluuminescence
Cathodoluminescence
Bioluminescence

 


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