Three photons have wavelengths of ,

PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation

Problem

Three photons have wavelengths of 3.00 cm3.00\,\text{cm}, 4.00 μm4.00\,\mu\text{m}, and 250 nm250\,\text{nm}. Which of the following lists the photons in order of increasing energy? (a) 4.00 μm<250 nm<3.00 cm4.00\,\mu\text{m} < 250\,\text{nm} < 3.00\,\text{cm} (b) 250 nm<4.00 μm<3.00 cm250\,\text{nm} < 4.00\,\mu\text{m} < 3.00\,\text{cm} (c) 3.00 cm<4.00 μm<250 nm3.00\,\text{cm} < 4.00\,\mu\text{m} < 250\,\text{nm} (d) 3.00 cm<250 nm<4.00 μm3.00\,\text{cm} < 250\,\text{nm} < 4.00\,\mu\text{m}

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