test +1 and +2

WI$H TEST SERIES #PHYSICAL WORLD AND MEASUREMENT# M.M.20
1. Define Science and Physics . 2
2. Discuss scope of Physics. 2
3. What is the relation between Physics with Mathematics and Chemistry. 4
4. Define strong and weak nuclear forces. 4
5. State and prove Gravitation law and Coulomb’s law. 5
6. What do you mean by isolated system, law of conservation of charge and angular momentum? 3
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WI$H TEST SERIES # ELECTRIC FIELD # M.M.20
1. Define electric field, electric field intensity and write some properties of electric field lines. 4
2. Derive an expression for electric field intensity at any point on
(i) Axial line of dipole (ii) equatorial line of dipole (iii) at any point (iv) axis of uniformly charged ring. 3,3,3,3
3. A particle of mass m and change q is thrown at a speed u against a uniform electric field E. How much distance will it travel before coming to momentary rest? 4
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