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Formula Sheet

Dual Nature of Radiation and Matter

NIOS · Class 12 · Physics

All formulas from Dual Nature of Radiation and Matter in NIOS Class 12 Physics. Key equations, constants, and identities for board exam preparation.

45 questions30 flashcards5 concepts

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A labeled diagram of the experimental arrangement used to study the photoelectric effect, including the evacuated quartz tube, emitter plate, collector plate, incident light, variable voltage source,
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8 Formulas · 2 Sections

Formulas

Einstein's Photoelectric Equation

E = hν

φ₀ = hν₀

hν = φ₀ + K_max

K_max = h(ν − ν₀)

eV₀ = (1/2)mv²_max = K_max

de Broglie Hypothesis — Matter Waves

λ = h/p = h/(mv)

λ = h/√(2mK)

λ = h/√(2qmV) = 12.3/√V Å

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Frequently Asked Questions

What are the important topics in Dual Nature of Radiation and Matter for NIOS Class 12 Physics?
Key topics in Dual Nature of Radiation and Matter include Correct vs Incorrect Thinking: Effect of Intensity and Frequency on Photoelectric Effect, Mind map showing the complete overview of dual nature of radiation and matter, including key concepts, experiments, and applications, Timeline showing the key historical milestones in the discovery and explanation of the photoelectric effect. These are the concepts NIOS Class 12 examiners draw on most — study them first, then practise related questions.
How to score full marks in Dual Nature of Radiation and Matter — NIOS Class 12 Physics?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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