If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Physics Chapterwise. In this article of AKVTutorials, you will get Dual Nature of Radiation CBSE Class 12 Physics MCQ Question with Answer Keys Solutions
MCQ Questions for Class 12 Physics Chapter 11 Question No 11:
Which of the following is incorrect statement regarding photon:
Option A : Photon exerts no pressure
Option B : Photon energy is hv
Option C : Photon rest mass is zero
Option D : None of the
Show/Hide Answer
Option A : Photon exerts no pressure
MCQ Questions for Class 12 Physics Chapter 11 Question No 12:
Kinetic energy with which the electrons are emitted from the metal surface due to photoelectric effect is
Option A : Independent of the intensity of illumination
Option B : Independent of the frequency of light
Option C : Inversely proportional to the intensity of illumination
Option D : Directly proportional to the intensity of illumination
Show/Hide Answer
Option A : Independent of the intensity of illumination
MCQ Questions for Class 12 Physics Chapter 11 Question No 13:
Two particles have equal momentum. What is the ratio of their de-Broglie wavelength?
Option A : 2
Option B : 1
Option C : 3
Option D : 0.5
Show/Hide Answer
Option B : 1
MCQ Questions for Class 12 Physics Chapter 11 Question No 14:
The minimum energy required by a free electron to just escape from
Option A : Threshold frequency
Option B : Kinetic energy
Option C : Stopping potential
Option D : Work function
Show/Hide Answer
Option D : Work function
MCQ Questions for Class 12 Physics Chapter 11 Question No 15:
Einstein got Nobel prize on which of the following works:
Option A : Mass-energy relation
Option B : Special theory of relativity
Option C : Photoelectric equation
Option D : (a) and (b) both
Show/Hide Answer
Option C : Photoelectric equation
MCQ Questions for Class 12 Physics Chapter 11 Question No 16:
When light falls on a metal surface, the maximum kinetic energy of the emitted photoelectrons depends upon:
Option A : The time for which light falls on the metal
Option B : Frequency of the incident light
Option C : Intensity of the incident light
Option D : Velocity of the incident light
Show/Hide Answer
Option B : Frequency of the incident light
MCQ Questions for Class 12 Physics Chapter 11 Question No 17:
Photoelectric effect was successfully explained first by
Option A : Planck
Option B : Hallwash
Option C : Hertz
Option D : Einstein
Show/Hide Answer
Option D : Einstein
MCQ Questions for Class 12 Physics Chapter 11 Question No 18:
A photocell is receiving light from a source placed at a distance of 1m. If the same source is to be placed at a distance of 2m, the same source is to be placed at a distance of 2m, then the ejected electron
Option A : Moves with one-fourth energy as that of the initial energy
Option B : Moves with one-fourth of momentum as that of the initial moment
Option C : Will be half in number
Option D : Will ne one-fourth in number
Show/Hide Answer
Option D : Will ne one-fourth in number
MCQ Questions for Class 12 Physics Chapter 11 Question No 19:
Stopping potential for photoelectrons
Option A : Does not depend on the frequency of the incident light
Option B : Does not depend upon the nature of the cathode material
Option C : Depends on both the frequency of the incident light and nature of the cathode material
Option D : Depends upon the intensity of the incident light
Show/Hide Answer
Option C : Depends on both the frequency of the incident light and nature of the cathode material
MCQ Questions for Class 12 Physics Chapter 11 Question No 20:
On a metal surface when blue light is incident, electron emission takes place. Which of the following colours photo emission can take place, for the same metal surface?
Option A : Indigo
Option B : Yellow
Option C : Green
Option D : Red
Show/Hide Answer
Option A : Indigo
| CBSE Class 12 Physics Chapterwise MCQ |
|---|
| 1 : Electric Charge & Fields MCQs | 1 to 10 | 11 to 20 |
| 2 : Electrostatics Potential and Capacitance MCQs | 1 to 10 | 11 to 20 |
| 3 : Current Electricity MCQs | 1 to 10 | 11 to 20 |
| 4 : Moving charges and Magnetism MCQs | 1 to 10 | 11 to 20 |
| 5 : Magnetism and Matter MCQs | 1 to 10 | 11 to 20 |
| 6 : Electromagnetic Induction MCQs | 1 to 10 | 11 to 20 |
| 7 : Alternating Current MCQs | 1 to 10 | 11 to 20 |
| 8 : Electromagnetic Waves MCQs | 1 to 10 | 11 to 20 |
| 9 : Ray Optics and Optical Instruments MCQs | 1 to 10 | 11 to 20 |
| 10 : Wave Optics MCQs | 1 to 10 | 11 to 20 |
| 11 : Dual Nature of Radiation MCQs | 1 to 10 | 11 to 20 |
| 12 : Atoms MCQs | 1 to 10 | 11 to 20 |
| 13 : Nuclei MCQs | 1 to 10 | 11 to 20 |
| 14 : Semi Conductor Electronics MCQs | 1 to 10 | 11 to 20 |
| 15 : Communication Systems MCQs | 1 to 10 | 11 to 20 |
