A. 1200g
B. 1000g
C. 800g
D. 400g
Correct Answer: Option C
C. 800g
Explanation
Mass = density x volume
400 x 2.5 = 1000g
Loss in mass = volume x density
= 400/2 x 1 = 200g
Reading on spring balance = 1000 – 200g = 800g
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