Q. No.| 1. | \(1.5 \times 10^{-23}~\text{kg-m/s}\) |
| 2. | \(6.6 \times 10^{-24}~\text{kg-m/s}\) |
| 3. | \(6.6 \times 10^{-44}~\text{kg-m/s}\) |
| 4. | \(2.2 \times 10^{-52}~\text{kg-m/s}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following figures represents the variation of the particle momentum and the associated de-Broglie wavelength?
| 1. |  |
2. |  |
| 3. |  |
4. |
 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(\frac{h}{\sqrt{m k T}}\) | 2. | \(\frac{h}{\sqrt{3 m k T}}\) |
| 3. | \(\frac{2 h}{\sqrt{3 m k T}}\) | 4. | \(\frac{2 h}{\sqrt{m k T}}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(0.25~\mathring{A}\)
2. \(0.5~\mathring{A}\)
3. \(1.5~\mathring{A}\)
4. \(2~\mathring{A}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | Equal to \(c\), the speed of light in vacuum. |
| 2. | Greater than \(c\). |
| 3. | Less than \(c\). |
| 4. | Tending to infinity. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | decrease by \(2\) times |
| 2. | decrease by \(4\) times |
| 3. | increase by \(4\) times |
| 4. | increase by \(2\) times |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
What will be the percentage change in the de-Broglie wavelength of the particle if the kinetic energy of the particle is increased to \(16\) times its previous value?
1. \(25\)
2. \(75\)
3. \(60\)
4. \(50\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn electron of mass m with an initial velocity \(\overrightarrow v= v_0\hat i\)\( ( v_o > 0 ) \) enters in an electric field \(\overrightarrow E = -E_0 \hat i\)\((E_0 = \text{constant}>0)\) at \(t=0\). If \(\lambda_0\)
1. \(\frac{\lambda_0}{\left(1+ \frac{eE_0}{mv_0}t\right)}\)
2. \(\lambda_0\left(1+ \frac{eE_0}{mv_0}t\right)\)
3. \(\lambda_0 t\)
4. \(\lambda_0\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf alpha, beta and gamma rays carry the same momentum, which has the longest wavelength?
| 1. | Alpha rays | 2. | Beta rays |
| 3. | Gamma rays | 4. | None, all have same wavelength |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWaves are associated with matter only:
| 1. | When it is stationary. |
| 2. | When it is in motion with the velocity of light only. |
| 3. | When it is in motion with any velocity. |
| 4. | None of the above. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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