1. \(50~\text{J}\)
2. \(100~\text{J}\)
3. \(25~\text{J}\)
4. Zero
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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 & BiologyA block of mass m initially at rest, is dropped from a height h onto a spring of force constant k. If the maximum compression in the spring is x, then:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA block of mass \(2\) kg moving with a velocity of \(10\) m/s on a smooth surface hits a spring of force constant \(80\times10^3\) N/m as shown in the figure. The maximum compression in the spring will be:
1. \(5\) cm
2. \(10\) cm
3. \(15\) cm
4. \(20\) cm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA spring 40 mm long is stretched by the application of force. If 10 N force is required to stretch the spring through 1 mm, then work done to stretch the spring 40 mm is equal to:
1. | 84 J | 2. | 68 J |
3. | 23 J | 4. | 8 J |
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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 & BiologyA block of mass \(M\) moving on the frictionless horizontal surface collides with the spring of spring constant \(k\) and compresses it by length \(L.\) The maximum momentum of the block after the collision will be:
1. | zero | 2. | \(ML^2 \over k\) |
3. | \(\sqrt{Mk}L\) | 4. | \(kL^2 \over 2M\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf 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 & BiologyA weight 'mg' is suspended from a spring. The energy stored in the spring is U. The elongation in the spring is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo springs of spring constants k and 3k are stretched separately by the same force. The ratio of potential energy stored in them respectively, will be:
1. | 3: 1 | 2. | 9: 1 |
3. | 1: 3 | 4. | 1: 9 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology