- 1(current)
Q. No.(Given radius of earth \(=6400~\text{km}\) ):
| 1. | \(1600~\text{km}\) | 2. | \(3200~\text{km}\) |
| 3. | \(6400~\text{km}\) | 4. | \(12800~\text{km}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(\dfrac{v}{3}\) | 2. | \(\dfrac{2v}{3}\) |
| 3. | \(\dfrac{3v}{4}\) | 4. | \(\dfrac{9v}{4}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(11.2\sqrt2\) km/s | 2. | zero |
| 3. | \(11.2\) km/s | 4. | \(11.2\sqrt3\) km/s |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe escape velocity from the Earth's surface is \(v\). The escape velocity from the surface of another planet having a radius, four times that of Earth and the same mass density is:
| 1. | \(3v\) | 2. | \(4v\) |
| 3. | \(v\) | 4. | \(2v\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA particle of mass \(m\) is projected with a velocity, \(v=kV_{e} ~(k<1)\) from the surface of the earth. The maximum height, above the surface, reached by the particle is: (Where \(V_e=\) escape velocity, \(R=\) radius of the earth)
| 1. | \(\dfrac{R^{2}k}{1+k}\) | 2. | \(\dfrac{Rk^{2}}{1-k^{2}}\) |
| 3. | \(R\left ( \dfrac{k}{1-k} \right )^{2}\) | 4. | \(R\left ( \dfrac{k}{1+k} \right )^{2}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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