Class 12 Physics Chapter Dual Nature of Radiation and Matter mcq free quiz test

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Chapter 11 Dual Nature of Radiation and Matter Quiz

12th Physics: Dual Nature of Radiation and Matter

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1. The wave nature of light was established by
(i) Maxwell’s equations (ii) Fraunhoffer’s lines
(iii) Hertz experiment
(iv) Einstein’s theory

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2. Sodium and copper have work functions 2.3 eV and 4.5 eV respectively. Then the ratio of the wavelengths is nearest to

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3. The photoelectric effect is based on the law of conservationof

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4. In which of the following, emission of electrons does not take place?

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5. In Heinrich Hertz’s experiment on the production of electromagnetic waves by means of spark discharge, it was observed that high voltage sparks across the detector loop were _____ when the emitter plate was illuminated by _____ light

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6. In photoelectric effect, electrons are ejected from metals, if the incident light has a certain minimum

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7. The energy of photon of wavelength λ is

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8. According to Einstein’s photoelectric equation, the plot of the kinetic energy of the emitted photo electrons from a metal Vs the frequency of the incident radiation gives as straight the whose slope

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9. A photosensitive substance emits _____when illuminated by light.

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Chapter wise quiz of XII class physics

The concept of duality has always intrigued scientists and philosophers alike. In the world of physics, one such fascinating duality is the “Dual Nature of Radiation and Matter.” This topic holds immense significance in Class 11 and serves as a foundation for more advanced concepts in later studies. Let’s delve into the intricacies of this intriguing duality and how it impacts the understanding of electromagnetic radiation and matter.

The Dual Nature of Radiation and Matter is a fundamental principle in quantum mechanics that proposes that both electromagnetic radiation and matter possess both wave-like and particle-like properties, depending on the conditions under which they are observed. This concept challenges the classical view of the universe, where objects were traditionally seen either as waves or particles, but not both simultaneously.

When considering the Dual Nature of Electromagnetic Radiation, scientists discovered that light, despite being a wave with properties such as diffraction and interference, also exhibits particle-like behavior in certain experiments. These light particles are known as photons. This duality helps explain phenomena like the photoelectric effect, where light striking a material surface can liberate electrons from it, leading to groundbreaking applications in solar cells and photo detectors.

On the other hand, when examining the Dual Nature of Matter, particularly electrons and other subatomic particles, the concept becomes equally intriguing. Matter particles, like electrons, display both wave-like and particle-like behaviors. The famous experiment of electron diffraction, where electrons are fired at a crystal lattice and produce an interference pattern, demonstrates their wave-like nature.

The significance of understanding this dual nature goes beyond theoretical physics. It finds applications in numerous real-world scenarios, from understanding the behavior of subatomic particles in accelerators to the development of cutting-edge technologies like electron microscopy and particle accelerators.

To reinforce the understanding of Dual Nature of Radiation and Matter, students can take advantage of free test quizzes available online. These quizzes cover a range of topics, including questions on Neet exams, and are accompanied by detailed explanations and solutions. By attempting these quizzes, students can assess their knowledge and identify areas that require further study.

In conclusion, the Dual Nature of Radiation and Matter is a captivating aspect of quantum mechanics that challenges our perception of the physical world. The duality exhibited by electromagnetic radiation and matter, with their wave-particle characteristics, has far-reaching implications in both fundamental research and practical applications. Embracing this duality opens the doors to new frontiers in science and technology, inspiring the next generation of physicists and innovators to push the boundaries of human understanding.

FAQ

Q1. What topics does the FREE Quiz Series cover?

The FREE Quiz Series covers Chapter 11’s Dual Nature of Radiation and Matter comprehensively. It includes questions related to the dual nature of electromagnetic radiation, matter, Neet exams, CUET, 12th class board exam and more.

Q2. Are the quizzes suitable for Class 12 students?

Absolutely! The FREE Quiz Series is tailored for Class 12 students, providing a thorough understanding of the dual nature of radiation and matter, essential for excelling in exams and building a strong foundation for advanced studies.

Q3. How can the quizzes benefit students preparing for exams?

The quizzes offer valuable self-assessment opportunities, helping students gauge their understanding of the subject. By attempting these quizzes, students can identify weak areas, reinforce concepts, and boost their confidence for exams. Plus, it’s all for FREE!

Mohit Sinha

I’m Mohit Sinha! With a Master’s degree in Physics, I bring a deep understanding of the subject to my teaching. I specialize in guiding students through the complexities of Physics for 11th and 12th grades and also offer English instruction from 1st to 12th grade. When I'm not in the classroom, I'm passionate about creating engaging educational content for QuizRanker.org, where I help make learning both fun and effective.

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