Question

The dual nature of wave states that all matter has properties of:

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Solution

The correct option is **A** both a particle and a wave.

We can also deduce that as mass of particles increases so does its momentum ⇒λ decreases

From the experiments of Photoelectric effect and Young's Double Slit Experiment(YDSE), dual nature of wave was established.

Remember: de Broglie's wavelength equation λ=hp where h is Planck's constant and p is the momentum.

We can infer from this equation that

- as p increases λ decreases ⟶ property of particles
- as p decreases λ increases ⟶ property of waves

We can also deduce that as mass of particles increases so does its momentum ⇒λ decreases

and as mass of particles decreases so does its momentum ⇒λ increases

Hence all matter has properties of both waves and particles.

Hence all matter has properties of both waves and particles.

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