NEET Physics: Dual Nature of Matter — Free Practice Set 4 (10 MCQs)

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Dual Nature of Matter. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

0

Easy

10

Medium

0

Hard

Key concepts covered in this specific test include Frequency, Incident, Function, Following, Observations, and Contradicts.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Light of frequency \( 6.5 \times 10^{14} \, \text{Hz} \) is incident on a metal with work function \( 2.3 \, \text{eV} \). What is the maximum kinetic energy in eV? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

A. 0.3 eV
B. 0.393 eV
C. 0.5 eV
D. 0.6 eV

Q2. Which of the following observations contradicts the wave theory of light in the photoelectric effect?

A. Dependence on intensity
B. Increase in photocurrent
C. Instantaneous emission
D. Wave interference

Q3. Which phenomenon provided evidence that light behaves as if it consists of quanta of energy?

A. Diffraction
B. Interference
C. Photoelectric effect
D. Polarization

Q4. The threshold frequency of a metal is \( 5.0 \times 10^{14} \, \text{Hz} \). What is the stopping potential for light of frequency \( 7.0 \times 10^{14} \, \text{Hz} \)? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( e = 1.6 \times 10^{-19} \, \text{C} \))

A. 0.7 V
B. 0.8 V
C. 0.828 V
D. 0.9 V

Q5. A photon of energy \( 2.5 \, \text{eV} \) strikes a metal surface. The stopping potential is \( 0.8 \, \text{V} \). What is the maximum speed of emitted electrons? (Take \( m_e = 9.11 \times 10^{-31} \, \text{kg} \))

A. 5.0 × 10⁵ m/s
B. 5.2 × 10⁵ m/s
C. 5.5 × 10⁵ m/s
D. 5.3 × 10⁵ m/s

+ 5 more questions in the actual test

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Yes, all our chapter-wise practice sets are 100% free. You can practice as many times as you want without any hidden charges.

Are these questions relevant for the latest NEET syllabus?

Absolutely. Our content team regularly updates the question bank to strictly align with the latest NTA NEET syllabus and NCERT textbooks.

Can I view the solutions after the test?

Yes, once you submit the test, you will get an instant scorecard along with the correct answers and detailed explanations for every question.

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NEET Physics — Dual Nature of Matter

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Preview of Questions in this Test

Q1. Light of frequency \( 6.5 \times 10^{14} \, \text{Hz} \) is incident on a metal with work function \( 2.3 \, \text{eV} \). What is the maximum kinetic energy in eV? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

Q2. Which of the following observations contradicts the wave theory of light in the photoelectric effect?

Q3. Which phenomenon provided evidence that light behaves as if it consists of quanta of energy?

Q4. The threshold frequency of a metal is \( 5.0 \times 10^{14} \, \text{Hz} \). What is the stopping potential for light of frequency \( 7.0 \times 10^{14} \, \text{Hz} \)? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( e = 1.6 \times 10^{-19} \, \text{C} \))

Q5. A photon of energy \( 2.5 \, \text{eV} \) strikes a metal surface. The stopping potential is \( 0.8 \, \text{V} \). What is the maximum speed of emitted electrons? (Take \( m_e = 9.11 \times 10^{-31} \, \text{kg} \))

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NEET Physics: Dual Nature of Matter — MCQ Test 4

Q6. A photon of frequency \( 7.0 \times 10^{14} \, \text{Hz} \) has what momentum? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( c = 3 \times 10^8 \, \text{m/s} \))

Q7. A particle of mass \( 2.5 \times 10^{-29} \, \text{kg} \) has a de Broglie wavelength of \( 0.5 \, \text{nm} \). What is its speed?

Q8. Light of frequency \( 7.5 \times 10^{14} \, \text{Hz} \) is incident on a metal with work function \( 2.5 \, \text{eV} \). What is the maximum kinetic energy of emitted electrons in eV? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( 1 \, \text{eV} = 1.6 \times 10^{-19} \, \text{J} \))

Q9. The work function of a metal is \( 2.4 \, \text{eV} \). Light of wavelength \( 350 \, \text{nm} \) is incident on it. What is the maximum speed of emitted electrons? (Take \( h c = 1240 \, \text{eV nm} \), \( m_e = 9.11 \times 10^{-31} \, \text{kg} \))

Q10. The de Broglie wavelength of an electron is \( 0.15 \, \text{nm} \). What is its speed? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( m_e = 9.11 \times 10^{-31} \, \text{kg} \))

NEET Physics — Dual Nature of Matter

Accelerate Your NEET Preparation

Question Bank

Practice Tests

NEET PYQs

AI Analytics

About this NEET MCQ Test

Preview of Questions in this Test

Q1. Light of frequency \( 6.5 \times 10^{14} \, \text{Hz} \) is incident on a metal with work function \( 2.3 \, \text{eV} \). What is the maximum kinetic energy in eV? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

Q2. Which of the following observations contradicts the wave theory of light in the photoelectric effect?

Q3. Which phenomenon provided evidence that light behaves as if it consists of quanta of energy?

Q4. The threshold frequency of a metal is \( 5.0 \times 10^{14} \, \text{Hz} \). What is the stopping potential for light of frequency \( 7.0 \times 10^{14} \, \text{Hz} \)? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( e = 1.6 \times 10^{-19} \, \text{C} \))

Q5. A photon of energy \( 2.5 \, \text{eV} \) strikes a metal surface. The stopping potential is \( 0.8 \, \text{V} \). What is the maximum speed of emitted electrons? (Take \( m_e = 9.11 \times 10^{-31} \, \text{kg} \))

Frequently Asked Questions

Is this practice set completely free?

Are these questions relevant for the latest NEET syllabus?

Can I view the solutions after the test?

About TopperSquare

More Physics Chapters for NEET

Explore More NEET Subjects

Everything you need to crack NEET