Modern Physics I - SS3 Physics Past Questions and Answers - page 1

1

Which of these terms is directly related to modern physics?

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A

Atomic

B

Nuclear

C

Genetic 

D

Subatomic

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2

Modern physics is the branch of physics that deals with________

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A

The study of the fundamental nature of matter and energy at a macroscopic level

B

The study of the fundamental nature of matter and energy at a microscopic level

C

The study of the fundamental nature of quantum geophysics at a microscopic level

D

The study of the fundamental nature of quantum biology at a macroscopic level

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3

Which of these theories is not associated with modern physics?

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A

Quantum mechanics

B

Particle physics

C

Relativity   

 

D

Evolution

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4

The theory of relativity was developed by

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A

Schrodinger

B

Isaac Newton

C

Albert Einstein

D

James Fisher

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5

The foundation of modern physics is

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A

Classical physics

B

Quantum mechanics 

C

Nuclear physics

D

 

Cosmology

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6

What is modern physics?

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7

Define Cosmology

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8

What does wave-particle duality mean in quantum mechanics?

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A

Particles are always waves

B

Waves are always particles

C

Particles can exhibit wave-like behaviour and vice versa

D

Particles and waves are completely separate entities

 

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9

What was the first experiment to demonstrate the wave-particle duality of light?

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A

Double-slit experiment

B

Photoelectric effect

 

C

Blackbody radiation

D

Compton scattering

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10

What is the uncertainty principle?

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A

The principle that the position and momentum of a particle cannot be known simultaneously

B

The principle that the energy and momentum of a particle cannot be known simultaneously

C

The principle that the position and energy of a particle cannot be known simultaneously

D

The principle that the charge and spin of a particle cannot be known simultaneously

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