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Solution


Q.

The graph which shows the variation of (1λ2) and its kinetic energy, E is (where λ is de-Broglie wavelength of a free particle)         [2024]
 
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Ans.

(4)

From de-Broglie relation λ=h2mE

∴  λ2∝1E  or  1λ2∝E

The graph between kinetic energy and 1λ2 will be a straight line.