Brief Physics and Astronomy Test

We all learn physics in school because it is fundamental science. Many of us are proud to know nothing about physics. But some people keep their interest in this science, for them is this brief test. Questions are displayed randomly. Answers are given immediately.

snow
Why snow is white?

it absorbs all wavelengths of visible light.

it reflects all wavelengths of visible light.

All wavelengths of visible light pass through it.

 

 

weightlessness
What is weightlessness?

absence of gravity

absence of normal reaction force

illusion

 

 

plasma
In which state of matter is the candle flame?

gas

plasma

fire

 

 

special relativity
What kind of phenomena describes Special theory of relativity?

with big velocity

with big mass

nothing

 

 

cosmic microwave background
What is cosmic microwave background?

remnant from an early stage of the universe

radiation from heated eart atmosfire

noise in cosmic apparatus

 

 

prism
What physical event causes separation to different colors of the light passed the prism?

dispersion

chromatism

filtering

 

 

antireflection film
What physical phenomenon occurs in antireflection coatings?

absorption of light

scattering of light

interference of thin films

 

 

states of matter
How many are the states of matter?

5

4

3

 

 

Georgi Nagjakov
What is Georgi Nagjakov's discovery?

there are only myths and legends about his discoveries

photoelectrets

photocopier

 

 

space-time curvature
Is the curvature of space-time proven experimentally?

it is proven experimentally

it is only a way to describe gravity

it is not proved

 

 

atomic models
Which model of the atom is actual today?

Schrodinger's

Bor's

Rederford's

 

 

door
What kind of lever is the door?

2nd class lever

1st class lever

there is no connection with levers

 

 



Images sources:

https://physics.stackexchange.com/questions/82545/seeing-inside-an-atom
http://www1.issp.bas.bg/museum/gnadjakov/gn01-page1.html
https://endmyopia.org/antireflective-lens-coatings-pointless-or-must-have/

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