NEET Physics: Dual Nature of Matter — Free Practice Set 3 (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, Produces, Stopping, Potential, Function, 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. A light source emits \( 6.0 \times 10^{15} \) photons per second with a power of \( 3.0 \, \text{mW} \). What is the energy of each photon in joules?

A. 5.0 × 10⁻¹⁹ J
B. 5.5 × 10⁻¹⁹ J
C. 6.0 × 10⁻¹⁹ J
D. 6.5 × 10⁻¹⁹ J

Q2. Light of frequency \( 7.5 \times 10^{14} \, \text{Hz} \) produces a stopping potential of \( 0.9 \, \text{V} \). What is the work function in eV? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

A. 2.1 eV
B. 2.208 eV
C. 2.3 eV
D. 2.5 eV

Q3. The maximum speed of photoelectrons is \( 7.0 \times 10^5 \, \text{m/s} \). What is the maximum kinetic energy in joules? (Take \( m_e = 9.11 \times 10^{-31} \, \text{kg} \))

A. 2.0 × 10⁻¹⁹ J
B. 2.231 × 10⁻¹⁹ J
C. 2.5 × 10⁻¹⁹ J
D. 3.0 × 10⁻¹⁹ J

Q4. Why do macroscopic objects not exhibit measurable wave-like properties according to de Broglie’s hypothesis?

A. High frequency
B. Low energy
C. Large momentum
D. Small velocity

Q5. In the photoelectric effect, what happens to the photocurrent when the intensity of incident light increases, keeping frequency constant?

A. Decreases
B. Increases
C. Remains constant
D. Becomes zero

+ 5 more questions in the actual test

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Is this practice set completely free?

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. A light source emits \( 6.0 \times 10^{15} \) photons per second with a power of \( 3.0 \, \text{mW} \). What is the energy of each photon in joules?

Q2. Light of frequency \( 7.5 \times 10^{14} \, \text{Hz} \) produces a stopping potential of \( 0.9 \, \text{V} \). What is the work function in eV? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

Q3. The maximum speed of photoelectrons is \( 7.0 \times 10^5 \, \text{m/s} \). What is the maximum kinetic energy in joules? (Take \( m_e = 9.11 \times 10^{-31} \, \text{kg} \))

Q4. Why do macroscopic objects not exhibit measurable wave-like properties according to de Broglie’s hypothesis?

Q5. In the photoelectric effect, what happens to the photocurrent when the intensity of incident light increases, keeping frequency constant?

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?

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NEET Physics: Dual Nature of Matter — MCQ Test 3

Q6. A photon’s energy is \( 3.0 \, \text{eV} \). What is its momentum? (Take \( c = 3 \times 10^8 \, \text{m/s} \), \( 1 \, \text{eV} = 1.6 \times 10^{-19} \, \text{J} \))

Q7. The maximum speed of photoelectrons is \( 6.0 \times 10^5 \, \text{m/s} \) when light of wavelength \( 400 \, \text{nm} \) is used. What is the work function in eV? (Take \( h c = 1240 \, \text{eV nm} \), \( m_e = 9.11 \times 10^{-31} \, \text{kg} \))

Q8. The maximum kinetic energy of photoelectrons is \( 2.5 \times 10^{-19} \, \text{J} \). What is the stopping potential? (Take \( e = 1.6 \times 10^{-19} \, \text{C} \))

Q9. Which process allows electrons to escape from a metal surface when illuminated by light of suitable frequency?

Q10. Which of the following is the minimum energy required for an electron to escape from a metal surface?

NEET Physics — Dual Nature of Matter

Accelerate Your NEET Preparation

Question Bank

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About this NEET MCQ Test

Preview of Questions in this Test

Q1. A light source emits \( 6.0 \times 10^{15} \) photons per second with a power of \( 3.0 \, \text{mW} \). What is the energy of each photon in joules?

Q2. Light of frequency \( 7.5 \times 10^{14} \, \text{Hz} \) produces a stopping potential of \( 0.9 \, \text{V} \). What is the work function in eV? (Take \( h = 6.63 \times 10^{-34} \, \text{J s} \))

Q3. The maximum speed of photoelectrons is \( 7.0 \times 10^5 \, \text{m/s} \). What is the maximum kinetic energy in joules? (Take \( m_e = 9.11 \times 10^{-31} \, \text{kg} \))

Q4. Why do macroscopic objects not exhibit measurable wave-like properties according to de Broglie’s hypothesis?

Q5. In the photoelectric effect, what happens to the photocurrent when the intensity of incident light increases, keeping frequency constant?

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