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wave mechanics
2. Series 19. Year - P. wind instruments
Explain, why is it possible to 'over-blow' (play one octave higher than normally) a flute, and it is not possible with clarinet.
Staré návrhy.
6. Series 18. Year - E. catch a photon
Measure the speed of light in vacuum. Use any method, for example use microwave oven.
Co jiného dát jak exp do roku fyziky.