写真素材の検索結果

Diffraction of microwaves and radio waves, illustration

Diffraction of long and short waves, illustration

Diffraction of microwaves and radio waves, illustration

Diffraction of long and short waves, illustration

Radio waves, illustration

Radio waves, illustration

Radio signals bouncing off the ionosphere, illustration

Radar, illustration

Diffraction of waves, illustration

Satellite communications, illustration

Diffraction of waves in a wide gap, illustration

Diffraction of waves in a narrow gap, illustration

Diffraction of waves in wide and narrow gaps, illustration

Refraction with biconvex lens, illustration

Longitudinal waves in a slinky spring, illustration

Ripple tank with plane waves, illustration

Ripple tank, illustration

Ripple tank with plane and circular waves, illustration

Wavelength and amplitude, illustration

Wavelength and amplitude, illustration

Wavelength and amplitude, illustration

Wavelength and frequency, illustration

Different propagation of plane waves, illustration

Reflection of plane waves, illustration

Wave absorption, illustration

Wavelength and amplitude, illustration

Transverse and longitudinal waves, illustration

Transverse and longitudinal waves, illustration

Sound wave propagation, illustration

Total internal reflection in an optical fibre, illustration

Total internal reflection in an optical fibre, illustration

Prism refracting light into a spectrum, illustration

Prism refracting light into a spectrum, illustration

Colour dispersion in a prism, illustration

Fluorescent tube lighting, illustration

Longitudinal waves in a slinky spring, illustration

Tuning fork vibrations in water, illustration

Tuning fork vibrations and sound waves, illustration

Wavelength and frequency, illustration

Wavelength and frequency, illustration

Oscilloscope displaying sound wave signal, illustration

Ripple tank with plane waves, illustration

Ripple tank, illustration

Electromagnetic spectrum, illustration

Electromagnetic spectrum, illustration

Electromagnetic spectrum, illustration

Light absorption and reflection, illustration

Colour wheel, illustration

Wavelengths of violet and red light, illustration

Wavelengths of coloured light, illustration

Visible spectrum, illustration

Additive primary colours, illustration

Subtractive colour mixing, illustration

Additive and subtractive colour mixing, illustration

Subtractive and additive colour mixing, illustration

Colour wheels, illustration

Red filter, illustration

Red and blue filters, illustration

Colour filters, illustration

Electromagnetic spectrum, illustration

Red filter, illustration

Red and green filters, illustration

Red and green filters, illustration

Leaf reflecting green light, illustration

Apple reflecting red light, illustration

Vibrations of a ruler, illustration

Transverse waves in a slinky spring, illustration

Transverse waves in a slinky spring, illustration

Measuring the speed of sound, illustration

Oscilloscope displaying sound wave signal, illustration

Wavelength and frequency, illustration

Sonar, illustration

Oscilloscope, illustration

Prism refracting light into a spectrum, illustration

Car, illustration

Frequency and amplitude modulation, illustration

Transverse and longitudinal waves in a spring, illustration

Transverse and longitudinal waves in a spring, illustration

Sound waves, illustration

Sound waves, illustration

Sound wave propagation, illustration

Satellite dish, illustration

Satellite dish, illustration

Satellite dish, illustration

Electromagnetic spectrum, illustration

Static electricity and water stream, illustration

Leaf reflecting green light, illustration

Decibel sound scale, illustration

Prism refracting light into a spectrum, illustration

Blue sky and red sunset, illustration

Refraction, illustration

Refraction in glass, illustration

Refraction in glass, illustration

Refraction, illustration

Refraction analogy, illustration

Snell's law, illustration

Fish-eye view, illustration

Convex lens, illustration

Concave lens, illustration

Convex lens image formation, illustration

Refraction in a fish tank, illustration

Refraction in a fish tank, illustration

Refraction, real depth and apparent depth, illustration

Refraction in a fish pond, illustration

Refraction, real and apparent position, illustration

Refraction, illustration

Smoke alarm, illustration

Electric dipole field lines, illustration

Lightning conductor, diagram

Electrostatic precipitator, illustration

Electrostatic spray painting, illustration

Electrostatic spray painting, illustration

Electrical component symbols, illustration

Electric cell and circuit symbol, illustration

Electric lamp and circuit symbol, illustration

Electric switch and circuit symbol, illustration

Electric switch and circuit symbol, illustration

Electric motor and circuit symbol, illustration

Electric buzzer and circuit symbol, illustration

Ammeter and circuit symbol, illustration

Fixed resistor and circuit symbol, illustration

Variable resistor and circuit symbol, illustration

Light-emitting diode and circuit symbol, illustration

Electrolytic capacitor and circuit symbol, illustration

Light-dependent resistor and circuit symbol, illustration

Circuit board, illustration

Simple lighting circuit, illustration

Simple lighting circuit, illustration

Two lamps connected in series, illustration

Two lamps connected in series, circuit diagram

Two lamps connected in parallel, illustration

Two lamps connected in parallel, circuit diagram

Lamp, cell and ammeter connected in series, illustration

Rheostat resistor, illustration

Rotary potentiometer, illustration

Torch, illustration

Magnetic field round a solenoid, illustration

Raybox, illustration

Shadow cast by a small light source, illustration

Shadow cast by a large light source, illustration

Reflection in a plane mirror, illustration

Convex and concave lenses, diagram

Static electricity on rubbing rod with cloth, illustration

Static electricity on rubbing rod with cloth, illustration

Static electricity, rubber rod with fur, illustration

Static electricity, comb attracting paper, illustration

Tides, illustration

Tides, illustration

Spring and neap tides, illustration

Faraday-Tyndall effect, illustration

Moving-coil microphone, diagram

Anatomy of the human ear, illustration

Electromagnetic induction, illustration

Fleming's right-hand rule for generators, illustration

Fleming's right-hand rule for generators, illustration

Eye anatomy, illustration

Eye anatomy, illustration

Centrifugal force, illustration

Centripetal force, illustration

Centripetal force, illustration

Energy efficiency, Sankey diagram

Efficiency spectrum, illustration

Seismic S-wave propagation, illustration

Seismic S-wave propagation, illustration

Wien's displacement law, illustration

Domestic lighting circuit, illustration

Lighting circuit with two-way switches, illustration

Electric bell mechanism, diagram

Electric bell mechanism, diagram

Simple alternating current generator, illustration

Transformer, illustration

Transformer, illustration

Transformer, illustration

Electromagnetic relay, diagram

Temperature scale, illustration

Colour temperature spectrum, illustration

Prism refracting light into a spectrum, illustration

Prism refracting light into a spectrum, illustration

Prism refracting light into a spectrum, illustration

Prism refracting light into a spectrum, illustration

Prism refracting light into a spectrum, illustration

Colour temperature spectrum, illustration

Rocket, illustration

Microwave oven, illustration

colored antennas

blue antenna

Antenna

Black antenna

Doppler effect experiment, 1845

Doppler effect experiment, 1845

Lamp, illustration

Food mixer, illustration

Conduction and insulation, illustration

Conduction and insulation, illustration

Convection currents in a kettle, illustration

Convection currents in a saucepan, illustration

Heat transfer in a pan on a stove, illustration

Heat transfer in a pan on a stove, illustration

Geiger-Muller tube, illustration

Geiger-Muller tube, illustration