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 reflects all wavelengths of visible light.

it absorbs all wavelengths of visible light.

All wavelengths of visible light pass through it.

 

 

door
What kind of lever is the door?

2nd class lever

there is no connection with levers

1st class lever

 

 

plasma
In which state of matter is the candle flame?

fire

gas

plasma

 

 

 cosmic microwave background
What is cosmic microwave background?

remnant from an early stage of the universe

noise in cosmic apparatus

radiation from heated eart atmosfire

 

 

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

 

 

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

with big mass

nothing

with big velocity

 

 

Georgi Nagjakov
What is Georgi Nagjakov's discovery?

photocopier

photoelectrets

there are only myths and legends about his discoveries

 

 

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

dispersion

filtering

chromatism

 

 

states of matter
How many are the states of matter?

4

3

5

 

 

antireflection film
What physical phenomenon occurs in antireflection coatings?

scattering of light

absorption of light

interference of thin films

 

 

weightlessness
What is weightlessness?

absence of gravity

absence of normal reaction force

illusion

 

 

atomic models
Which model of the atom is actual today?

Schrodinger's

Bor's

Rederford's

 

 



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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