NEET Physics: Dual Nature of Matter — Free Practice Set 7 (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 Threshold, Wavelength, Function, Frequency, Incident, and Electrons.

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. The threshold wavelength of a metal is \( 620 \, \text{nm} \). What is the work function in eV? (Take \( h c = 1240 \, \text{eV nm} \))

A. 1.8 eV
B. 2.0 eV
C. 2.2 eV
D. 2.5 eV

Q2. A photon of frequency \( 8.0 \times 10^{14} \, \text{Hz} \) has what energy in joules? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

A. 5.304 × 10⁻¹⁹ J
B. 5.0 × 10⁻¹⁹ J
C. 5.5 × 10⁻¹⁹ J
D. 6.0 × 10⁻¹⁹ J

Q3. A photon has a wavelength of \( 250 \, \text{nm} \). What is its energy in joules? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( c = 3 \times 10^8 \, \text{m/s} \))

A. 7.974 × 10⁻¹⁹ J
B. 7.5 × 10⁻¹⁹ J
C. 8.0 × 10⁻¹⁹ J
D. 8.5 × 10⁻¹⁹ J

Q4. The work function of a metal is \( 1.5 \, \text{eV} \). Light of wavelength \( 400 \, \text{nm} \) is incident on it. What is the maximum kinetic energy of emitted electrons in eV? (Take \( h c = 1240 \, \text{eV nm} \))

A. 1.4 eV
B. 1.6 eV
C. 1.8 eV
D. 2.0 eV

Q5. A photon has a momentum of \( 2.0 \times 10^{-27} \, \text{kg m/s} \). What is its energy in joules? (Take \( c = 3 \times 10^8 \, \text{m/s} \))

A. 5.5 × 10⁻¹⁹ J
B. 5.8 × 10⁻¹⁹ J
C. 6.0 × 10⁻¹⁹ J
D. 6.5 × 10⁻¹⁹ J

+ 5 more questions in the actual test

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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.

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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. The threshold wavelength of a metal is \( 620 \, \text{nm} \). What is the work function in eV? (Take \( h c = 1240 \, \text{eV nm} \))

Q2. A photon of frequency \( 8.0 \times 10^{14} \, \text{Hz} \) has what energy in joules? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

Q3. A photon has a wavelength of \( 250 \, \text{nm} \). What is its energy in joules? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( c = 3 \times 10^8 \, \text{m/s} \))

Q4. The work function of a metal is \( 1.5 \, \text{eV} \). Light of wavelength \( 400 \, \text{nm} \) is incident on it. What is the maximum kinetic energy of emitted electrons in eV? (Take \( h c = 1240 \, \text{eV nm} \))

Q5. A photon has a momentum of \( 2.0 \times 10^{-27} \, \text{kg m/s} \). What is its energy in joules? (Take \( c = 3 \times 10^8 \, \text{m/s} \))

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NEET Physics: Dual Nature of Matter — MCQ Test 7

Q6. A particle of mass \( 1.5 \times 10^{-30} \, \text{kg} \) has the same momentum as a photon of wavelength \( 500 \, \text{nm} \). What is its speed? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

Q7. An electron moves with a speed of \( 3.0 \times 10^6 \, \text{m/s} \). What is its de Broglie wavelength? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( m_e = 9.11 \times 10^{-31} \, \text{kg} \))

Q8. A photon has a wavelength of \( 200 \, \text{nm} \). What is its momentum? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

Q9. Light of wavelength \( 400 \, \text{nm} \) produces photoelectrons with a stopping potential of \( 0.8 \, \text{V} \) from a metal. What is the work function of the metal in eV? (Take \( h c = 1240 \, \text{eV nm} \))

Q10. The maximum speed of photoelectrons emitted from a surface is \( 5.0 \times 10^5 \, \text{m/s} \). What is the stopping potential? (Take \( m_e = 9.11 \times 10^{-31} \, \text{kg} \), \( e = 1.6 \times 10^{-19} \, \text{C} \))

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. The threshold wavelength of a metal is \( 620 \, \text{nm} \). What is the work function in eV? (Take \( h c = 1240 \, \text{eV nm} \))

Q2. A photon of frequency \( 8.0 \times 10^{14} \, \text{Hz} \) has what energy in joules? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

Q3. A photon has a wavelength of \( 250 \, \text{nm} \). What is its energy in joules? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( c = 3 \times 10^8 \, \text{m/s} \))

Q4. The work function of a metal is \( 1.5 \, \text{eV} \). Light of wavelength \( 400 \, \text{nm} \) is incident on it. What is the maximum kinetic energy of emitted electrons in eV? (Take \( h c = 1240 \, \text{eV nm} \))

Q5. A photon has a momentum of \( 2.0 \times 10^{-27} \, \text{kg m/s} \). What is its energy in joules? (Take \( c = 3 \times 10^8 \, \text{m/s} \))

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