Dual Nature Of Matter And Radiation MCQ for Students

This page offers NEET aspirants a focused NEET MCQ practice on Dual Nature Of Matter And Radiation. Attempting these MCQs sharpens your understanding, boosts exam speed, and builds confidence in handling important Physics questions for NEET. With answer keys and explanations, it is your NEET revision companion, designed for comprehensive Dual Nature Of Matter And Radiation mastery.

What are MCQs for Dual Nature Of Matter And Radiation?

MCQs for Dual Nature Of Matter And Radiation evaluate concepts like wave-particle duality, the photoelectric effect, and de Broglie wavelength. These questions reflect the NEET Physics exam pattern and challenge students on scoring topics. Practicing these MCQs builds speed and precision for NEET and similar medical entrance tests.

Why Practice NEET MCQs?

Practice NEET MCQs to familiarize with question trends, fine-tune time management, and improve conceptual recall. Regular NEET MCQ practice helps you avoid common mistakes and strengthens retention. Dual Nature Of Matter And Radiation NEET MCQs are vital for maximizing marks in the Physics section and raising your overall NEET rank.

Dual Nature Of Matter And Radiation MCQ Practice

1. Who proposed the dual nature of matter?
   A. Einstein
   B. Planck
   C. de Broglie
   D. Rutherford
   
2. What is the de Broglie wavelength of an electron (mass = 9.1×10⁻³¹ kg) moving with velocity 2×10⁶ m/s?
   A. 3.63 × 10⁻¹⁰ m
   B. 2.5 × 10⁻⁹ m
   C. 1.9 × 10⁻¹⁰ m
   D. 1.2 × 10⁻⁷ m
   
3. The photoelectric effect demonstrates:
   A. Wave nature of light
   B. Particle nature of light
   C. Both wave and particle nature
   D. Only electric behavior
   
4. Which relation gives the de Broglie wavelength (λ) of a particle of momentum p?
   A. λ = p/h
   B. λ = h/p
   C. λ = hp
   D. λ = 1/hp
   
5. Which equation describes the energy of photons in the photoelectric effect?
   A. E = mc²
   B. E = hν
   C. E = hv/λ
   D. E = p²/2m
   
6. If the work function of a metal is 2 eV, the threshold wavelength is (h = 6.6×10⁻³⁴ J·s, c = 3×10⁸ m/s, 1 eV = 1.6×10⁻¹⁹ J):
   A. 1240 nm
   B. 620 nm
   C. 540 nm
   D. 410 nm
   
7. Electrons are ejected from a metal when exposed to:
   A. Sound waves
   B. Electromagnetic radiation above threshold frequency
   C. Electric field
   D. Magnetic field
   
8. Which experiment confirmed the wave nature of electrons?
   A. Davisson-Germer experiment
   B. Rutherford scattering
   C. Gold foil experiment
   D. Millikan oil drop experiment
   
9. If the stopping potential in a photoelectric experiment is 2 V, the maximum kinetic energy of photoelectrons is:
   A. 1 eV
   B. 2 eV
   C. 0.5 eV
   D. 4 eV
   
10. As the frequency of incident light increases (keeping intensity constant), the number of photoelectrons emitted:
    A. Increases
    B. Decreases
    C. Remains constant
    D. First increases then decreases
    
11. Work function of a metal is the:
    A. Maximum energy needed to remove electron
    B. Minimum energy needed to remove electron
    C. Energy gained by incident photon
    D. Binding energy of nucleus
    
12. Which of the following has the shortest de Broglie wavelength if all have the same kinetic energy?
    A. Electron
    B. Proton
    C. Neutron
    D. Alpha particle
    
13. What property of photons explains the photoelectric effect?
    A. Neutral charge
    B. Particle nature
    C. Mass
    D. Circular motion
    
14. In the photoelectric effect, as intensity of incident light increases (frequency constant), the maximum kinetic energy of photoelectrons:
    A. Increases
    B. Decreases
    C. Remains unchanged
    D. Varies randomly
    
15. The de Broglie wavelength of matter waves is inversely proportional to:
    A. Mass of particle
    B. Velocity of particle
    C. Momentum of particle
    D. Energy of particle
    
16. If an electron is accelerated through a potential difference V, its de Broglie wavelength (λ) is proportional to:
    A. √V
    B. V²
    C. 1/√V
    D. V
    
17. Which nature of electromagnetic radiation is demonstrated in interference and diffraction?
    A. Particle nature
    B. Wave nature
    C. Electric nature
    D. Magnetic nature
    
18. Threshold frequency for a metal is not achieved by incident light. What happens?
    A. More electrons ejected
    B. No electrons ejected
    C. Maximum electrons ejected
    D. Random emission
    
19. The energy of emitted photoelectron is maximum when:
    A. Light frequency = threshold frequency
    B. Light frequency < threshold frequency
    C. Light frequency > threshold frequency
    D. Intensity is doubled
    
20. Which quantum theory concept is supported by de Broglie hypothesis?
    A. Uncertainty principle
    B. Conservation of energy
    C. Atomic models
    D. Heisenberg’s principle
    

MCQ Answer Key

Explanations clarify reasoning behind each answer and help students understand important NEET concepts.

How These Dual Nature MCQs Help in NEET

Dual Nature Of Matter And Radiation MCQs reflect real NEET Physics difficulty, question style, and marking scheme. Practicing these MCQs helps you avoid common traps, solidifies concepts, and builds stamina for the actual NEET exam. Review our answer key for fast revision and error analysis before your NEET Physics test.

Tips for Physics NEET MCQ Practice & Next Steps

• Revise de Broglie, Einstein’s equations, and experimental setups before MCQ practice.
• Practice MCQs under timed conditions for real NEET simulation.
• After each round, analyze incorrect answers using the answer key and explanations.
• Explore Dual Nature Chapterwise Test for more MCQs.
• Brush up related topics like Photoelectric Effect MCQ and Atomic Structure MCQ on Vedantu.

Consistent NEET MCQ practice for Dual Nature Of Matter And Radiation is crucial for concept clarity, speed, and confidence in Physics. Vedantu’s targeted tests, answer keys, and solution explanations help you identify weaknesses, reinforce strengths, and score higher in NEET Physics—paving the way for exam success.