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Dual Nature Questions

Practice 14 Dual Nature questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

๐Ÿ“š
14
Total Questions
๐ŸŸข
1
Easy
๐ŸŸก
9
Medium
๐Ÿ”ด
4
Hard
Practice by Exam:Physics(14)

About Dual Nature โ€” practice questions, PYQs & concepts

Dual Nature is a frequently-tested topic on Physics. ExamTest.live currently lists 14 Dual Nature questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year โ€” every answer key is free, no sign-up required.

Dual Nature weight in competitive exams

Across our Dual Nature question bank, the largest sources are Physics (14). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 1 easy Dual Nature questions are available โ€” build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right โ€” the explanation often surfaces a faster approach you can reuse.

All Dual Nature Questions(1โ€“14 of 14)

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Q1mediummcqPhysicsNEET 20192026
0% accuracy
An electron is accelerated through a potential difference of . Its de Broglie wavelength is, (nearly): ()
Q2easymcqPhysicsNEET 20172026
The de-Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature (Kelvin) and mass , is:
Q3hardmcqPhysicsNEET 20212026
An electromagnetic wave of wavelength is incident on a photosensitive surface of negligible work function. If mass is of photoelectron emitted from the surface has de-Broglie wavelength , then:
Q4mediummcqPhysicsNEET (UG) 20242026
The graph which shows the variation of and its kinetic energy, is (where is de Broglie wavelength of a free particle):
image
Q5hardmcqPhysicsPhysics
0% accuracy
A photon and an electron (mass ) have the same energy . The ratio of their de-Broglie wavelengths is ( is the speed of light):
Q6mediummcqPhysicsPhysics
Solid targets of different elements are bombarded by highly energetic electron beams. The frequency () of the characteristic X-rays emitted from different targets varies with atomic number as:
Q7mediummcqPhysicsPhysics
Assertion: The energy () and momentum () of a photon are related by .Reason: The photon behaves like a particle.
Q8mediummcqPhysicsPhysics
Assertion: For higher temperatures the peak emission wavelength of a black body shifts to lower wavelengths.Reason: Peak emission wavelengths of a blackbody is proportional to the fourth-power of temperature.
Q9mediummcqPhysicsPhysics
A particle of mass has the same wavelength as an electron moving with a velocity of . The velocity of the particle is ( ):
Q10hardmcqPhysicsPhysics
Monochromatic light of wavelength is produced by a helium neon laser. The power emitted is . The number of photons arriving per sec. on the average at a target irradiated by this beam is:
Q11mediummcqPhysicsPhysics
If the momentum of an electron is changed by , then the de Broglie wavelength changes by . The initial momentum of electron was:
Q12mediummcqPhysicsPhysics
An -particle moves in a circular path of radius in the presence of a magnetic field of . The de Broglie wavelength associated with the particle will be:
Q13hardmcqPhysicsPhysics
An electron of mass and a photon have same energy . The ratio of de-Broglie wavelengths associated with them is:
Q14mediummcqPhysicsPhysics
Electrons of mass with de-Broglie wavelength fall on the target in an X-ray tube. The cutoff wavelength () of the emitted X-ray is:

Frequently Asked Questions

How many Dual Nature questions are on ExamTest.live?โ–ผ
We have 14 Dual Nature questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Dual Nature MCQs free?โ–ผ
Yes. All Dual Nature questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Dual Nature questions?โ–ผ
Dual Nature questions are commonly asked in Physics. You can filter by exam using the links above.
How do I practice Dual Nature questions effectively?โ–ผ
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.