NEET Physics: Dual Nature of Matter — Free Practice Set 1 (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 Wavelength, Produces, Photocurrent, Threshold, Frequency, and Photoelectrons.

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 wavelength \( 450 \, \text{nm} \) produces a photocurrent that stops at \( 0.9 \, \text{V} \). What is the threshold frequency? (Take \( h c = 1240 \, \text{eV nm} \), \( h = 6.63 \times 10^{-34} \, \text{J s} \))

A. 4.0 × 10¹⁴ Hz
B. 4.2 × 10¹⁴ Hz
C. 4.4 × 10¹⁴ Hz
D. 4.49 × 10¹⁴ Hz

Q2. A photon has an energy of \( 5.0 \times 10^{-19} \, \text{J} \). What is its frequency? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

A. 7.0 × 10¹⁴ Hz
B. 7.2 × 10¹⁴ Hz
C. 7.54 × 10¹⁴ Hz
D. 7.8 × 10¹⁴ Hz

Q3. The maximum kinetic energy of photoelectrons is \( 1.0 \, \text{eV} \) when light of wavelength \( 500 \, \text{nm} \) is used. What is the threshold frequency of the metal? (Take \( h c = 1240 \, \text{eV nm} \))

A. 3.0 × 10¹⁴ Hz
B. 3.2 × 10¹⁴ Hz
C. 3.4 × 10¹⁴ Hz
D. 3.57 × 10¹⁴ Hz

Q4. What does the photoelectric effect demonstrate about the nature of light?

A. Particle nature
B. Wave nature
C. Electromagnetic nature
D. Continuous nature

Q5. A photon has momentum \( 1.5 \times 10^{-27} \, \text{kg m/s} \). What is its frequency? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

A. 6.0 × 10¹⁴ Hz
B. 6.79 × 10¹⁴ Hz
C. 7.0 × 10¹⁴ Hz
D. 7.5 × 10¹⁴ Hz

+ 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.

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 wavelength \( 450 \, \text{nm} \) produces a photocurrent that stops at \( 0.9 \, \text{V} \). What is the threshold frequency? (Take \( h c = 1240 \, \text{eV nm} \), \( h = 6.63 \times 10^{-34} \, \text{J s} \))

Q2. A photon has an energy of \( 5.0 \times 10^{-19} \, \text{J} \). What is its frequency? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

Q3. The maximum kinetic energy of photoelectrons is \( 1.0 \, \text{eV} \) when light of wavelength \( 500 \, \text{nm} \) is used. What is the threshold frequency of the metal? (Take \( h c = 1240 \, \text{eV nm} \))

Q4. What does the photoelectric effect demonstrate about the nature of light?

Q5. A photon has momentum \( 1.5 \times 10^{-27} \, \text{kg m/s} \). What is its frequency? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

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Is this practice set completely free?

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Can I view the solutions after the test?

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NEET Physics: Dual Nature of Matter — MCQ Test 1

Q6. The maximum frequency of X-rays from a \( 10 \, \text{kV} \) tube is: (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( e = 1.6 \times 10^{-19} \, \text{C} \))

Q7. The work function of a metal is \( 2.2 \, \text{eV} \). What is the threshold wavelength in nm? (Take \( h c = 1240 \, \text{eV nm} \))

Q8. The de Broglie wavelength of an electron moving at \( 2.0 \times 10^6 \, \text{m/s} \) is calculated. What is its value? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( m_e = 9.11 \times 10^{-31} \, \text{kg} \))

Q9. The stopping potential for photoelectrons is \( 0.7 \, \text{V} \). What is the maximum kinetic energy in eV?

Q10. An electron is accelerated through a potential difference of \( 100 \, \text{V} \). What is its de Broglie wavelength? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \), \( m_e = 9.11 \times 10^{-31} \, \text{kg} \), \( e = 1.6 \times 10^{-19} \, \text{C} \))

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. Light of wavelength \( 450 \, \text{nm} \) produces a photocurrent that stops at \( 0.9 \, \text{V} \). What is the threshold frequency? (Take \( h c = 1240 \, \text{eV nm} \), \( h = 6.63 \times 10^{-34} \, \text{J s} \))

Q2. A photon has an energy of \( 5.0 \times 10^{-19} \, \text{J} \). What is its frequency? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

Q3. The maximum kinetic energy of photoelectrons is \( 1.0 \, \text{eV} \) when light of wavelength \( 500 \, \text{nm} \) is used. What is the threshold frequency of the metal? (Take \( h c = 1240 \, \text{eV nm} \))

Q4. What does the photoelectric effect demonstrate about the nature of light?

Q5. A photon has momentum \( 1.5 \times 10^{-27} \, \text{kg m/s} \). What is its frequency? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

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