The speed of paramecium is given. The de-Broglie's wavelength of the particle is 3.313 × 10⁻²¹ m.
Given that, the speed of paramecium v = 1 mm/s = 1 × 10⁻³ m/s
Volume of paramecium = 2× 10⁻¹³ m³
Density of paramecium = 1000 kg/m³
Mass of paramecium is given by the formula, m = ρ v
⇒ 1000 × 2× 10⁻¹³ = 2× 10⁻¹⁰ kg
The de-Broglie's wavelength of the particle is,
λ = h/p = h/mv = (6.626 × 10⁻³⁴)/[2× 10⁻¹⁰ × 10⁻³] = 3.313 × 10⁻²¹ m
where, h is plank's constant
p is momentum
Thus, the required de-Broglie's wavelength of the particle is 3.313 × 10⁻²¹ m.
The question is incomplete. The complete question is 'If the paramecium has a volume of 2E-13m³ and a density equal that of water, what is the de-Brogile wavelength when in motion?
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What are the elements of realism?
Realism is characterised by its emphasis on social issues, common difficulties, life's realities, and largely middle- and lower-class people.
What does the word "realism" really mean?1. A propensity to be realistic and practical rather than creative or visionary 2. depicting people and things in literature and art in their true, non-idealized state. likewise see naturalism.
In books, what does realism mean?A literary genre known as realism depicts typical day-to-day events as they actually take place in reality. This frequently concentrates on persons from the middle and lower classes and on well-known locations.
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