Stock Photos and Images
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Stock Photos and Images
RMA2021A–Magnesium (Mg) ribbon held by tongs burning extremely brightly in air with a brilliant white flame and smoke. Exothermic reaction. See also A20219
RMA2046E–A piece of lodestone, or magnetite, picking up bits of iron wire with magnetic force in a school physics experiment.
RMA1E5AE–Pink Aubrieta plants bloom in cascades on an old wall. Spreading perennials, they attract nectar-seeking garden visitors with their beautiful flowers
RMA2047B–Refraction of a ray of light through a glass block at a one angle of incidence. Demonstrates Snell's law and the physics of optics. Cf ANA387
RMAGGE85–diffraction long wavelength water waves at straight edge in ripple tank see also ANA2ED ANA2EF A20286 A20287 ANA2EB
RMANA2F9–manganese dioxide used as a catalyst is added to hydrogen peroxide solution which will cause it to rapidly become water and oxyg
RMB337NP–when this circuit is broken an emf of up to 100 volts is induced in the coil enough to light the neon lamp see also B3350M
RMANA22E–Lab prep of Bromine Manganese dioxide plus HCl remove xs HCl pass through water & conc sulphuric then bubble through KBr soln
RMANA3C3–Spark counter a radioactive source ionises air between metal gauze and a wire with 5kV between them so sparks jump gap
RMB3J79E–sodium thiosulphate reacts with HCl & as sulphur is precipitated the cross gradually disappears
RMANA116–Copper sulphate crystals weigh 10g ( 1 of 3 to illustrate conservation of mass see ANA 115 and ANA 117)
RMA2354A–a crystal dissolving in water beside a stopwatch second in a series of three see also A2354B and A23549
RMB27E14–shows large depth of field when small aperture is used when taking a photograph see image B27ECP for small DOF at large aperture
RMB27E63–with the same current as in B27E5C but with more turns in the coil on the iron nail it now attracts three paperclips
RMANA2EA–diffraction long wavelength water waves at straight edge in ripple tank see also ANA2ED ANA2EF A20286 A20287 AGGE85
RMA20288–nodal lines in a ripple tank the closer together the shorter wavelength (see also A20289 for longer wavelength)
RMA20470–water drips on to white anhydrous copper sulphate which turns to blue hydrated copper sulphate
RMA23CC0–a finger appears to have a piece missing when seen through a glass block due to refraction of the light
RMANA367–demonstration of convection in water with potassium permanganate crystal to colour the water -note tripod but NO gauze
RMA2023B–A photo of red laser light diffracted through a small aperture (with a 50 micrometer opening) shows concentric rings of light and dark areas.
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