MCQ Questions on Laser Physics

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

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

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

The basic scientific principle behind laser was first put forward by 1. Rontgen 2. J.J. Thomson 3. Dr. Charles & H. Townes 4. Einstein

ICBM stands for 1. Inter-Continental Ballistic Missile 2. Inter-Country Ballistic Missile 3. Inter-Community Ballastic Missile 4. All of these

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

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

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

A monochromatic source of light among the following is 1. Sun 2. Incandescent lamp 3. Sodium vapour lamp 4. Candle light

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MCQ Questions on Laser Physics

The most important characteristic of laser light, is 1. Coherence 2. Directionality 3. Monochromacity 4. Intensity

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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

Answers in Last Page >>>

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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

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The basic scientific principle behind laser was first put forward by 1. Rontgen 2. J.J. Thomson 3. Dr. Charles & H. Townes 4. Einstein

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ICBM stands for 1. Inter-Continental Ballistic Missile 2. Inter-Country Ballistic Missile 3. Inter-Community Ballastic Missile 4. All of these

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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

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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

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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

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A monochromatic source of light among the following is 1. Sun 2. Incandescent lamp 3. Sodium vapour lamp 4. Candle light

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