Sujit Prasad Kushwaha

Course Objectives At the end of this course the student should be able to acquire sufficient basic knowledge in physic and apply this knowledge for higher studies and research in physics MECHANICS [50] Course Contents:  1. Review of Laws of Motion:  1.1 Dynamics of a particle, General equations of motion, Types of forces, Conservation laws, Work-Energy theorem, Conservative forces, 1.2 Motion of a body near the surface of the earth, Linear restoring force, Potential energy curve, Non-conservative forces. [3 hours]  2. Linear and Angular Momentum:  2.1 Conservation of linear momentum, Centre of mass, Collision of two particles, 2.2 Deflection of a moving particle by a particle at rest, Rocket, Angular momentum and torque, 2.3 Motion under central force, Areal velocity, 2.4 Examples of conservation of angular momentum. [5 hours]  3. Gravitational Potentials and Fields:  3.1 Central Forces, Inverse square-law of force, 3.2 Gravitational field and poten...

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1. Read the following passage and answer the questions given below briefly. [10] To achieve a continuous improvement in the quality of the environment demands perception, education, economic strength, research, plus policies and administration graced to the right aims. A process of constant appraisal and adjustment is necessary, for as the scope of existing problems is reduced new ones will arise. Fresh discoveries will bring fresh difficulties and will always do so. As Goethe said, 'Every solution of a problem is a new problem.' Of first importance is the capacity to perceive the essentials of society's existence, to be able to analyse the factors that create and enhance the environment and to relate these to the contemporary situation. If people are to understand, they must be offered ideas which when their horizons; ideas to excite them to an awareness of a deeper purpose in their living and to a new relationship with their environment. The challenge is to find and captu...

The cow is considered a sacred animal in Nepal and holds great cultural and religious significance. It is also an important source of livelihood for many Nepalese farmers, providing milk, meat, and dung for fuel and fertilizer. In Hinduism, cows are considered sacred and are associated with the goddesses Lakshmi and Gauri, who are considered to be the embodiment of wealth, fertility, and motherhood. The cow is also a symbol of non-violence and is believed to possess healing powers. The cow is also a symbol of wealth and status in Nepal. Many families, especially in rural areas, own cows as a sign of prosperity and a source of income. Cows are considered a valuable asset, and their ownership is often used as a measure of social status. In addition, cows are often given as gifts at weddings and other important events. The cow is also considered a symbol of motherhood and is often depicted in art and religious iconography as a nurturing figure. In Hinduism, the cow is seen as a repres...