physics test

Jun 17th, 2015
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1 Marks: 4 This question contains Statement-1 and Statement -2. Of the four choices given after the statements, choose the one that best describes the two statements.Statement –1: For a charged particle moving from point P to point Q, the net work done by an electrostatic field on the particle is independent of the path connecting point P to point Q.

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1 Marks: 4 This question contains Statement-1 and Statement -2. Of the four choices given after the statements, choose the one that best describes the two statements.Statement 1: For a charged particle moving from point P to point Q, the net work done by an electrostatic field on the particle is independent of the path connecting point P to point Q. Statement 2: The net work done by a conservative force on an object moving along a closed loop is zero.Choose one answer. a. Statement 1 is false, 1. Statement- 2 is true b. Statement 1 is true, Statement- 2 is false c. Statement 1 is true, Statement- 2 is true; Statement -2 is the correct explanation for Statement-1 d. Statement 1 is true, Statement- 2 is true; Statement -2 is not the correct explanation for Statement-1 We are sorry. You are wrong!Statement2 is not the correct explanation of statement1. IncorrectMarks for this submission: 0/4.Question 2 Marks: 4 The below is a plot of binding energy per nucleon Eb, against the nuclear mass M; A, B, C, D, E, F correspond to different nuclei. Consider four reactions: Where is the energy released ? In which reactions is positive?Choose one answer. a. (ii) and (iii) b. (i) and (iv) c. (i) and (iii) d. (ii) and (iv) We are sorry. You are wrong!(i) and (iv) is the Correct AnswerHint: Binding energy per nucleon of each product is less than that of each reactantsIncorrectMarks for this submission: 0/4.Question 3

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