MCQ Questions on Laser Physics

4.5/5 - (2 votes)

MCQ Questions on Laser Physics. We covered all the MCQ Questions on Laser Physics in this post for free so that you can practice well for the exam.

We also covered some other topics like photometry and light MCQ on our website for free. You can check them using the provided links below in the related posts section.

Related Posts:

MCQ on Laser for School Students

The first laser developed by the scientists was called

1. Pulse laser

2. Pulsed laser

3. Permanent laser

4. None of these

Option 2 – Pulsed laser

The first laser called ‘pulsed laser’ was developed in the year

1. 1964

2. 1954

3. 1960

4. 1968

Option 3 – 1960

The basic scientific principle behind a laser was first put forward by Dr. Charles & H. Townes in the year

1. 1954

2. 1960

3. 1964

4. 1950

Option 1 – 1954

Laser is simply a

1. Source of light having ordinary properties

2. Source of light having extra-ordinary properties

3. Source of energy having extra ordinary properties

4. Source of energy having ordinary properties

Option 2 – Source of light having extra-ordinary properties

A monochromatic source of light among the following is

1. Sun

2. Incandescent lamp

3. Sodium vapour lamp

4. Candle light

Option 3 – Sodium vapour lamp

The properties of laser light are not present in the light emitted from

1. Sun

2. Incandescent lamp

3. Sodium vapour lamp

4. All of these

Option 4 – All of these

The no. of characteristic and striking proper ties with which a laser light is distinguished from an ordinary light, is

1. 2

2. 3

3. 4

4. 5

Option 3 – 4

The light excited energy which is emitted when the electrons in atoms undergo transitions to the ground state, is

1. Visible light energy

2. Laser light energy

3. UV light energy

4. None of these

Option 1 – Visible light energy

ICBM stands for

1. Inter-Continental Ballistic Missile

2. Inter-Country Ballistic Missile

3. Inter-Community Ballastic Missile

4. All of these

Option 1 – Inter-Continental Ballistic Missile

The basic scientific principle behind laser was first put forward by

1. Rontgen

2. J.J. Thomson

3. Dr. Charles & H. Townes

4. Einstein

Option 3 – Dr. Charles & H. Townes

The light sources in which the electron transaction takes place at random in time and the light waves received at a point on a screen hear no definite phase relation among them, is

1. Ordinary light sources

2. Laser light sources

3. Both of these

4. None of these

Option 1 – Ordinary light sources

In a laser source of light

1. Electronic transitions take place in an ‘orderly way’ and the light waves emitted have a consistent phase relation which do not change with time

2. Electronic transitions take place at random in time and the light waves received at a point on a screen bear no definite phase relation among them

3. Electronic transitions take place at random in time and the light waves received at a point on a screen a definite phase relation among them

4. None of these

Option 1 – Electronic transitions take place in an ‘orderly way’ and the light waves emitted have a consistent phase relation which do not change with time

The characteristic of light which is emitted by the electronic transitions which take place in an ‘orderly way’ and the light waves emitted M have a constant phase relation, is

1. Incoherence

2. Temporal coherence

3. Directionality

4. Intensity

Option 2 – Temporal coherence

The most important characteristic of laser light, is

1. Coherence

2. Directionality

3. Monochromacity

4. Intensity

Option 1 – Coherence

We covered all the MCQ questions on laser physics above in this post for free so that you can practice well for the exam.

Install our MCQTUBE android app from the Google play store and get the latest alerts on your mobile itself for completely free.

Check out the latest MCQ content by visiting our mcqtube website homepage.

2 thoughts on “MCQ Questions on Laser Physics”

Leave a Comment

Wait, Download our Android application !

Prepare for all the competitive exams using MCQ'S provided on our Android application for FREE !

Ads Blocker Image Powered by Code Help Pro

Ads Blocker Detected!!!

We have detected that you are using extensions to block ads. Please support us by disabling these ads blocker.

Powered By
Best Wordpress Adblock Detecting Plugin | CHP Adblock