## ANU UG/Degree 1st Sem Principles of Physical Sciences Important Questions (Multidisciplinary Course)

ANU UG/Degree 1st Sem Principles of Physical Sciences Important Questions ( Multidisciplinary Course) are now available. These questions are prepared by top experienced faculty. By preparing these questions you can get good marks in your external exams.

Unit 1: Introduction to Physics Nature of Physics

Overview of physics as a discipline, its scope, and its relationship to other sciences. Scientific Method in Physics: Introduction to the scientific method and its application in the study of physics. Measurement and Units: Understanding the principles of measurement, SI units, and the importance of accurate and precise measurements. Scalars and Vectors: Differentiating between scalars and vectors, understanding vector addition and subtraction.

1. What is physics and what does it study?
2. What are the steps involved in the scientific method?
3. What is the difference between a scalar and a vector quantity?
4. What is the SI unit of length?
5. Why is it important to use accurate and precise measurements in science?
1. Explain the importance of the scientific method in physics and provide an example of how it is used to investigate a scientific phenomenon.
2. Describe the different types of vectors and their properties. How do we add and subtract vectors?
3. Discuss the significance of units in scientific measurements and explain the advantages of using the SI system.
4. Explain the concept of error and uncertainty in measurements. How do we quantify and minimize the impact of errors in experiments?
5. Compare and contrast physics with other natural sciences like chemistry and biology. How do these disciplines interact and complement each other?

Unit 2: Mechanics for Arts Students Motion and Forces

Introduction to the principles of motion, including velocity, acceleration, and the laws of motion. Energy and Work: Understanding the concept of energy, different forms of energy, and the relationship between work and energy. Circular Motion: Exploring the principles of circular motion, centripetal force, and applications in real-world scenarios. Gravity: Introduction to the concept of gravity, Newton's law of universal gravitation, and its implications.

1. What are the three main types of motion?
2. What is the difference between velocity and acceleration?
3. What is the work-energy theorem and how does it relate to different forms of energy?
4. What is centripetal force and why is it important in circular motion?
5. What is Newton's law of universal gravitation and what are its implications for objects on Earth and in space?
1. Explain the three laws of motion formulated by Newton and provide examples of each law in action.
2. Describe the different forms of mechanical energy (kinetic and potential) and how they are interconverted in various situations.
3. Analyze the motion of a projectile, considering the forces acting on it and its trajectory.
4. Explain the concept of centripetal acceleration and how it differs from tangential acceleration in circular motion.
5. Discuss the role of gravity in various phenomena, including the tides, the orbits of planets, and the formation of stars and galaxies.

Unit 3: Waves and Optics for Arts Students Waves

Understanding the properties and characteristics of waves, including wave types, wave motion, and wave interference. Sound Waves: Exploring the nature of sound waves, including properties of sound, sound propagation, and the Doppler effect. Light and Optics: Introduction to the behavior of light, reflection, refraction, and the formation of images by mirrors and lenses. Wave Optics: Understanding the principles of interference, diffraction, and polarization of light waves.

1. What are the three main types of waves?
2. What is the difference between transverse and longitudinal waves?
3. What is the Doppler effect and how does it work?
4. What is the law of reflection and how does it apply to mirrors?
5. What is the difference between a real image and a virtual image formed by a lens?
1. Explain the properties of waves, including frequency, wavelength, amplitude, and speed. How do these properties relate to each other?
2. Describe the phenomenon of wave interference and its different types (constructive and destructive interference). Provide examples of everyday occurrences where we observe wave interference.
3. Discuss the behavior of light as both a wave and a particle. How do these two models explain different optical phenomena?
4. Explain the principles of refraction and how it causes the bending of light as it passes through different mediums. How does refraction explain the formation of a mirage?
5. Describe the process of image formation by a convex lens. How can we use the thin lens equation to calculate the image distance and magnification?

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