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PHYSICS

Physics
In a Laser (say neon laser) all the atoms emit the light waves of

All of these
Same frequency
Same phase
Same amplitude

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Physics
The Laser is a beam of radiations which are

Non-coherent and non-monochromatic
Non-coherent and monochromatic
Coherent and monochromatic
Coherent and non-monochromatic

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Physics
In quantum mechanics a particle is represented by a

Wave
Particle
None of these
Wave packet

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Physics
The p wave of a normal Electrocardiogram indicates

Atrial depolarization
Ventricular depolarization
Ventricular repolarization
Atrial repolarization

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Physics
Which of the following phenomenon helps to conclude that light is a transverse wave?

Diffraction
Polarisation
Refraction
Interference

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