Start learning →

NEET UG Dual Nature of Matter — practice questions

Explore 4 free Dual Nature of Matter questions in NEET UG Physics. Open each question or exercise to read its content, reference answers and available explanation.

Practise Dual Nature of Matter with Quill →

Dual Nature of Matter questions and exercises with answers

Showing questions 1–4 of 4.

Which ones belongRead the answer and worked solution →Knock out the true statementsRead the answer and worked solution →Dual nature bingoRead the answer and worked solution →Which finding is itRead the answer and worked solution →

Worked practice questions

Which ones belong

Read exercise and reference answers
Questions
  1. Items
    1. Text
      Electron count
      Matches the category
      Yes
    2. Text
      Photocurrent size
      Matches the category
      Yes
    3. Text
      Maximum energy
      Matches the category
      No
    4. Text
      Threshold value
      Matches the category
      No
    Category
    Set by the intensity
  2. Items
    1. Text
      Escape energy
      Matches the category
      Yes
    2. Text
      Measured in eV
      Matches the category
      Yes
    3. Text
      Same everywhere
      Matches the category
      No
    4. Text
      Measured in metres
      Matches the category
      No
    Category
    True of the work function
Instructions
Tap only the items that fit the category shown.
_Source: syllabus Physics Part II, Ch 11 'Dual Nature of Radiation and Matter'_

Open this exercise →

Knock out the true statements

Read exercise and reference answers
Questions
  1. Question
    Eliminate the true statements about the effect.
    Choices
    1. Item
      Brighter light raises the electron energy
      Correct
      Yes
    2. Explanation
      More photons per second means more electrons per second.
      Item
      Intensity sets how many electrons escape
    3. Explanation
      No emission occurs at all below that minimum frequency.
      Item
      Below threshold nothing is emitted
    4. Explanation
      It is the minimum energy needed to leave the metal surface.
      Item
      The work function is the escape energy
Instructions
Remove the statements that are true. One false one should survive.
_Source: syllabus Physics Part II, Ch 11 'Dual Nature of Radiation and Matter'_

Open this exercise →

Dual nature bingo

Read exercise and reference answers
Clues and terms
  1. Clue
    An electron knocked out of a metal by light.
    Item
    Photoelectron
  2. Clue
    Least energy an electron needs to escape the surface.
    Item
    Work function
  3. Clue
    The minimum frequency below which nothing is emitted.
    Item
    Threshold
  4. Clue
    The reverse voltage that drives the photocurrent to zero.
    Item
    Stopping pot
  5. Clue
    One quantum of radiation, carrying energy set by frequency.
    Item
    Photon
  6. Clue
    Energy gained crossing a potential difference of one volt.
    Item
    Electron volt
  7. Clue
    The wave associated with a moving material particle.
    Item
    Matter wave
  8. Clue
    Who explained the effect with a quantum of radiation in 1905.
    Item
    Einstein
  9. Clue
    Who proposed that moving matter shows wave behaviour.
    Item
    de Broglie
Instructions
Read each clue and tap the term it describes.
_Source: syllabus Physics Part II, Ch 11 'Dual Nature of Radiation and Matter'_

Open this exercise →

How to practise

  1. Choose a Dual Nature of Matter question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

Put it into practice

Continue with Dual Nature of Matter practice for NEET UG. Read explanations as you go. No signup form needed to start.

Practise Dual Nature of Matter →

More Physics topics

Electric Charges and FieldsMoving Charges and MagnetismRay Optics and Optical InstrumentsSemiconductor ElectronicsCurrent ElectricityDual Nature of Radiation and MatterKinetic Theory & OscillationsSystem of Particles and Rotational Motion