Searching for Sound

Pritisnite F11

Iz varnostnih razlogov je mogoče celozaslonski način vključiti samo s pritiskom na gumb F11 na tipkovnici.

Ko ste enkrat v celozaslonskem načinu, ga izključite spet s pritiskom na F11.

Kazalo

Exercise 1

Can you hear sound under water?

No, you can not.

Yes, with a loudspeaker.

Yes, you can. Sound is moving under water even 4 times faster than through the air.

Return information for the right answer.

Return information for the wrong answer.

Zapri