Assertion (A): X-rays are used to study the atomic structure of crystals. Reason

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1. Assertion (A): X-rays are used to study the atomic structure of crystals. Reason (R): X-rays are a form of electromagnetic wave. Which is correct?

Both A and R are true, and R correctly explains A

Both A and R are true, but R does not correctly explain A

A is true, but R is false

A is false, but R is true

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X-rays, as electromagnetic waves with wavelengths comparable to the spacing between atoms in a crystal, diffract off crystal planes in a way that reveals the crystal’s precise atomic structure — the very basis of X-ray crystallography.