physics model paper new.pdf

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  w   w   w  .  e  e   n  a  d   u   p   r  a   t   i   b   h  a  .   n  e   t Board of Intermediate Education Ju nior In ter - Physics Model Pape r (Engli sh Version) TIME : 3 Hours MAX. MARKS : 60 SECTION - A Not e: 1) Ans wer ALL que sti ons. 2) Each question carries TWO marks. 10 × 2 = 20 1. What is the discovery of C.V. Raman? 2. Write the dimensional formulae for the following quantities. (a) Gravitational Constant (b) Surface Tension 3. A ball falls freely from a heigh t 1 meter to the ground and reb ounds to a height of 0.8 m. Find the coefficient of restitution. 4. Distinguish between centre of mass and centre of gravity. 5. What are the theoretical and practical limits of Poissions ratio? 6. Find the excess pressure inside a liquid drop. 7. Hot liquids flow faster than cold liquids. Explain. 8. What is the specific heat of a gas in (a) an isothermal change and (b) an adiabatic change. 9. State the conditions under which Newton's law of cooling is applicable. 10. What is Greenhouse effect? SECTION - B Note: 1) Answer any SIX quest ions. 2) Each question carries FOUR marks. 6 × 4 = 24 1 1. State the Parallelogram law of vectors and derive an expression for its magnitude. 12. A stone is dropped from a height 300 m and at the same time another stone is projected vertically upwards with a velocity of 100 m/s. Find when and where the two stones meet. 13. Show that two equal masses that undergo oblique elastic collision will move at right angles to each other after collision. www.eenadupratibha.net www.eenadupratibha.net

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