# Dual Nature of Radiation CBSE Class 12 Physics MCQ Question with Answer Keys Solutions

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

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

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

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

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

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

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

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

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

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

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