Physics – Electrons and Photons – MCQs TEST (Maharashtra HSC Board) 

Physics – Electrons and Photons – TEST  (MCQ Maharashtra HSC Board)

Prepare yourself for exam like scenario. Take a Mock Test of MCQ (Multi choice Questions) Science – Physics of Maharashtra HSC Board/12th std absolutely FREE.

Just click on any one of social sharing button available in BOX saying “this content is locked”( tweet/ fb Like us / g+). Once you click on buttons available in the box below, the content will get unlocked and you will be able to take our various Mock Test absolutely FREE on the same page.

Results

Congratulations!! You have passed the Test.

What should we write about next?

You need more Practice. Please take the Test again

What should we write about next?

#1. The speed of electrons in cathode rays

Is varying

Is varying

Is independent of the potential difference between anode and cathode

Is independent of the potential difference between anode and cathode

Is a fixed constant

Is a fixed constant

Depends on the potential difference between anode and cathode

Depends on the potential difference between anode and cathode

#2. One electron volt (eV) is

all of the others

all of the others

k.E. gained by electron when t moves through a p.d. of 1 volt

k.E. gained by electron when t moves through a p.d. of 1 volt

Force acting on an electron when it moves through a p.d. of 1 volt

Force acting on an electron when it moves through a p.d. of 1 volt

Momentum of an electron when it moves through a p.d. of 1 volt

Momentum of an electron when it moves through a p.d. of 1 volt

#3. Photoelectric emission is caused by

Bombardment by high velocity electrons

Bombardment by high velocity electrons

Potential difference

Potential difference

Heat

Heat

Electromagnetic radiation

Electromagnetic radiation

#4. Which of the following statement is NOT correct for saturation current in a photoelectric cell?

Collector is positive with respect to emitter.

Collector is positive with respect to emitter.

It is the maximum current that can be set up in the photoelectric cell.

It is the maximum current that can be set up in the photoelectric cell.

All the electrons emitted from the photosensitive plate reach collector.

All the electrons emitted from the photosensitive plate reach collector.

The p.d. between the emitter and collector should be equal to the stopping potential

The p.d. between the emitter and collector should be equal to the stopping potential

#5. Cathode rays are deflected by electric and magnetic fields but not by the rays of light because

Light photons have no mass

Light photons have no mass

Light photons have no charge

Light photons have no charge

Light photons are particles

Light photons are particles

Light consists of a stream of photons

Light consists of a stream of photons

#6. Photoelectric effect is the emission of

Neutrons

Neutrons

Protons

Protons

Electrons

Electrons

Photons

Photons

#7. Who discovered that on incidence of light on metals electrons are emitted?

Hertz

Hertz

Lenard

Lenard

Einstein

Einstein

Millikan

Millikan

#8. Photoelectric cell converts

Electric energy into light energy

Electric energy into light energy

Ling energy into heat energy

Ling energy into heat energy

Heat energy into light energy

Heat energy into light energy

Light energy into electric energy

Light energy into electric energy

#9. Which of the following statements is not related to a photon?

It moves always with the velocity of light

It moves always with the velocity of light

Its energy depends on frequency

Its energy depends on frequency

Its wave is electromagnetic

Its wave is electromagnetic

Its energy does not depend on frequency

Its energy does not depend on frequency

#10. A photon is

A source of measure of light intensity

A source of measure of light intensity

Quantum of matter

Quantum of matter

Quantum of light energy

Quantum of light energy

Positive ion particle

Positive ion particle

Finish