PHY101 assignment no1 2023

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1. Motion and Mechanics:

   • Kinematics: Kinematics deals with the motion of objects without considering the forces that cause the motion. Concepts like distance, displacement, speed, and acceleration fall under kinematics.
   • Dynamics: Dynamics studies the forces that cause motion. Newton's Laws of Motion are a fundamental part of dynamics and explain how forces affect the motion of objects.

2. Gravity:

   • Gravity is the force that attracts two objects with mass toward each other. It is responsible for keeping planets in orbit around the sun and objects on the Earth's surface.

3. Energy:

   • Energy is the ability to do work. It can exist in various forms, including kinetic energy (energy of motion), potential energy (stored energy), and thermal energy (heat).

4. Thermodynamics:

   • Thermodynamics deals with the transfer of energy as heat and work between systems and their surroundings. It includes concepts like temperature, heat, and the laws of thermodynamics.

5. Electricity and Magnetism:

   • Electricity and magnetism are closely related phenomena. Electric charges and currents generate electric and magnetic fields, which play a fundamental role in the behavior of matter and energy.

6. Optics:

   • Optics is the study of the behavior of light. It covers topics such as reflection, refraction, lenses, and the behavior of light waves.

7. Waves and Sound:

   • Waves are disturbances that transfer energy from one place to another. Sound is a mechanical wave that requires a medium (such as air or water) to propagate.

8. Nuclear Physics:

   • Nuclear physics explores the behavior and properties of atomic nuclei. It includes topics like radioactivity, nuclear reactions, and nuclear energy.

9. Quantum Mechanics:

   • Quantum mechanics is the branch of physics that deals with the behavior of particles at the atomic and subatomic level. It introduces concepts like wave-particle duality and quantization of energy.

10. Relativity:

    • Albert Einstein's theory of relativity, specifically special relativity and general relativity, provides a new framework for understanding the behavior of objects at high speeds and in strong gravitational fields.