If two springs, A and B are stretched by the same suspended weights, then the ratio of work done in stretching is equal to:
1. 1 : 2
2. 2 : 1
3. 1 : 1
4. 1 : 4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen a spring is subjected to 4 N force, its length is a metre and if 5 N is applied, its length is b metre. If 9 N is applied, its length will be:
1. 4b – 3a
2. 5b – a
3. 5b – 4a
4. 5b – 2a
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo springs A and B having spring constant are stretched by applying a force of equal magnitude. If the energy stored in spring A is E, then the energy stored in B will be:
1. 2E
2.
3.
4. 4E
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen a long spring is stretched by \(2\) cm, its potential energy is \(U\). If the spring is stretched by \(10\) cm, the potential energy stored in it will be:
1. \(U/5\)
2. \(5U\)
3. \(10U\)
4. \(25U\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA mass of \(0.5\) kg moving with a speed of \(1.5\) m/s on a horizontal smooth surface, collides with a nearly weightless spring with force constant \(k=50\) N/m. The maximum compression of the spring would be:
1. \(0.12\) m
2. \(1.5\) m
3. \(0.5\) m
4. \(0.15\) m
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology