- 1(current)
Q. No.The length of an elastic string is \(a\) metre when the longitudinal tension is \(4\) N and \(b\) metre when the longitudinal tension is \(5\) N. The length of the string in metre when the longitudinal tension is \(9\) N will be:
| 1. | \(a-b\) | 2. | \(5b-4a\) |
| 3. | \(2b-\frac{1}{4}a\) | 4. | \(4a-3b\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHooke's law is applicable for:
| 1. | elastic materials only | 2. | plastic materials only |
| 3. | elastomers only | 4. | all of these |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo wires of copper having length in the ratio of \(4:1\) and radii ratio of \(1:4\) are stretched by the same force. The ratio of longitudinal strain in the two will be:
| 1. | \(1:16\) | 2. | \(16:1\) |
| 3. | \(1:64\) | 4. | \(64:1\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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