Question: 47. For figure the correct relation is :- B D (1) A+B+E=0 (2) C-D = A (3) B+E-C=D (4) all of the above 48.

47. For figure the correct relation is :- B D (1) A+B+E=0

(2) C-D = A (3) B+E-C=D (4) all of the above 48.

47. For figure the correct relation is :- B D (1) A+B+E=0 (2) C-D = A (3) B+E-C=D (4) all of the above 48. Given a+b=21, if 6=3j - then find out vector :- (1) 21 +3j+k (2) 21 - 3j+k (3) j+k (4) 21-j-k 49. Which of the following relation can not be deduced using dimensional analysis? (The symbols have their usual meaning) (1) y = A sin (cot + kx) (2) v=ut + at (3) k=mv 11m 2 (4) All of these 50. If the unit of length and force be increased four times, then the unit of energy is : (1) Increased 4 times (2) Increased 8 times (3) Increased 16 times (4) Decreased 16 times

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