Matter Waves-Wave Nature of Particle NEET Questions

Physics - Dual Nature of Matter and Radiation

Matter Waves-Wave Nature of Particle MCQ Questions


7.
The intensity at a point in a matter wave represents:
A.
Charge density at that point
B.
The probability density of finding the particle there
C.
Energy density of the particle
D.
Mass density of the particle smeared out
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ANSWER :
B. The probability density of finding the particle there
8.
Matter waves are best described as:
A.
Electromagnetic disturbances around the particle
B.
Probability amplitude waves (mathematical wavefunctions)
C.
Mechanical vibrations of the particle
D.
Vibrations of the medium through which the particle moves
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ANSWER :
B. Probability amplitude waves (mathematical wavefunctions)
9.
Matter waves can interfere and diffract because:
A.
Particles physically split into two parts
B.
Particles experience gravitational rippling
C.
They are genuine waves (probability amplitude waves) that obey wave equations
D.
Particles emit electromagnetic waves while moving
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ANSWER :
C. They are genuine waves (probability amplitude waves) that obey wave equations
10.
The de Broglie hypothesis applies to:
A.
Only sub-atomic particles
B.
Only electrons and protons
C.
All moving material particles, regardless of mass or charge
D.
Only charged particles
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ANSWER :
C. All moving material particles, regardless of mass or charge
11.
Wave behavior of NEUTRONS has been experimentally observed in:
A.
Nuclear fission experiments
B.
Beta decay studies
C.
Neutron diffraction experiments by Halban, Preiswerk, and others
D.
Cosmic ray observations
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ANSWER :
C. Neutron diffraction experiments by Halban, Preiswerk, and others
12.
Wave behavior of ATOMS has been experimentally demonstrated using:
A.
Atom interferometry and helium atom diffraction
B.
Bremsstrahlung from atom collisions
C.
Photoelectric effect on atomic gases
D.
Compton scattering of atoms
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ANSWER :
A. Atom interferometry and helium atom diffraction