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Step-by-step explanation:
Dyne, unit of force in the centimetre-gram-second system of physical units, equal to the force that would give a free mass of one gram an acceleration of one centimetre per second per second. One dyne equals 0.00001 newton
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Rohit get 4 correct answer = 4 × 5 =20
He gets 6 incorrect answer = 6 × (-2)= -12
Total score = 20-12 = 8
Thus, mohan get 8 marks in the class test.
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