266424
Time period of a satellite in a circular orbit of radius R is T '. Find the time period of another satellite in a circular orbit of radius \(4 R\)
266425
An electron and a proton are set free in a uniform electric field the ratio of their acceleration is
1 unity
2 zero
3 \(\frac{m_p}{m_e}\)
4 \(\frac{m_e}{m_p}\)
Explanation:
c
**NCERT-XII-I-14**
TEST SERIES (PHYSICS FST)
266426
A train covers the first half of the distance between two stations with a speed of \(40 \mathrm{~km} / \mathrm{h}\) and the other half with \(60 \mathrm{~km} / \mathrm{h}\). Then its average speed is
266427
A suspended long metal wire is stretched a small distance \(x\) by a load \(W\) in newton suspended at the other end. Select the best answer out of the following
1 The loss is potential energy of the load \(W\) is equal to the gain in energy of the wire in stretching a length \(x\)
2 The energy stored in the wire can be calculated from the area between the force extension graph and the extension axis
3 The energy per unit volume stored in the wire \(\frac{1}{2} w \mathrm{x}\)
266424
Time period of a satellite in a circular orbit of radius R is T '. Find the time period of another satellite in a circular orbit of radius \(4 R\)
266425
An electron and a proton are set free in a uniform electric field the ratio of their acceleration is
1 unity
2 zero
3 \(\frac{m_p}{m_e}\)
4 \(\frac{m_e}{m_p}\)
Explanation:
c
**NCERT-XII-I-14**
TEST SERIES (PHYSICS FST)
266426
A train covers the first half of the distance between two stations with a speed of \(40 \mathrm{~km} / \mathrm{h}\) and the other half with \(60 \mathrm{~km} / \mathrm{h}\). Then its average speed is
266427
A suspended long metal wire is stretched a small distance \(x\) by a load \(W\) in newton suspended at the other end. Select the best answer out of the following
1 The loss is potential energy of the load \(W\) is equal to the gain in energy of the wire in stretching a length \(x\)
2 The energy stored in the wire can be calculated from the area between the force extension graph and the extension axis
3 The energy per unit volume stored in the wire \(\frac{1}{2} w \mathrm{x}\)
266424
Time period of a satellite in a circular orbit of radius R is T '. Find the time period of another satellite in a circular orbit of radius \(4 R\)
266425
An electron and a proton are set free in a uniform electric field the ratio of their acceleration is
1 unity
2 zero
3 \(\frac{m_p}{m_e}\)
4 \(\frac{m_e}{m_p}\)
Explanation:
c
**NCERT-XII-I-14**
TEST SERIES (PHYSICS FST)
266426
A train covers the first half of the distance between two stations with a speed of \(40 \mathrm{~km} / \mathrm{h}\) and the other half with \(60 \mathrm{~km} / \mathrm{h}\). Then its average speed is
266427
A suspended long metal wire is stretched a small distance \(x\) by a load \(W\) in newton suspended at the other end. Select the best answer out of the following
1 The loss is potential energy of the load \(W\) is equal to the gain in energy of the wire in stretching a length \(x\)
2 The energy stored in the wire can be calculated from the area between the force extension graph and the extension axis
3 The energy per unit volume stored in the wire \(\frac{1}{2} w \mathrm{x}\)
266424
Time period of a satellite in a circular orbit of radius R is T '. Find the time period of another satellite in a circular orbit of radius \(4 R\)
266425
An electron and a proton are set free in a uniform electric field the ratio of their acceleration is
1 unity
2 zero
3 \(\frac{m_p}{m_e}\)
4 \(\frac{m_e}{m_p}\)
Explanation:
c
**NCERT-XII-I-14**
TEST SERIES (PHYSICS FST)
266426
A train covers the first half of the distance between two stations with a speed of \(40 \mathrm{~km} / \mathrm{h}\) and the other half with \(60 \mathrm{~km} / \mathrm{h}\). Then its average speed is
266427
A suspended long metal wire is stretched a small distance \(x\) by a load \(W\) in newton suspended at the other end. Select the best answer out of the following
1 The loss is potential energy of the load \(W\) is equal to the gain in energy of the wire in stretching a length \(x\)
2 The energy stored in the wire can be calculated from the area between the force extension graph and the extension axis
3 The energy per unit volume stored in the wire \(\frac{1}{2} w \mathrm{x}\)