Is light a ray or wave?

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Solution

Light is both a ray and a wave

RAY
Light ray is defined as the path along which light travels. Hence, a ray is geometrical concept

WAVE
In case of light wave mutually perpendicular electric and magnetic field vectors are oscillating , that is they are changing with space and time as such disturbance advances in the direction perpendicular to the plane formed by electric and magnetic fields.So it is a wave also

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