Physics & Chemistry (2º ESO)

  • (#3304)   Seleccionar

    Waves: question about sound 0001

    Is sound able to travel through a vacuum?

  • (#3140)   Seleccionar

    Relation between frequency and wavelength (3140)

    A spring is producing waves of frequency 4 Hz and wavelength 0.5 m. What is its velocity? What will be its wavelength if the frequency is double? What will be its wavelength if frequency is reduced to half?

  • (#2911)   Seleccionar

    Velocity of a wave (2911)

    The wavelength of a wave is 0.00015 m and its frequency is 7 000 Hz. What is the velocity of the wave?

  • (#2909)   Seleccionar

    Heat transfer in fluids 0001

    How is heat transferred in the air?

  • (#2759)   Seleccionar

    Refraction and velocity of light 0001

    The refractive index of green light in water is 1,42. What is its velocity when it travels through water?

    (Velocity of light in a vacuum is 300 000 km/s).