Physics-
General
Easy
Question
In the figure three identical springs are shown. From spring A, a mass of 4 kg is hung and spring shows elongation of 1 cm. But when a weight of 6 kg is hung on B, the Hook descends
- 1 cm
- 2 cm
- 3 cm
- 4 cm
The correct answer is: 3 cm
If spring constant is k for the first case, it is 
for second case.
For first case, 
(i)
For second case, 
(ii)
Dividing Eq. (ii) by Eq. (i), we get
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