FST 2
TEST SERIES (PHYSICS FST)

263937 When 5 V potential difference is applied across a wire of length 0.1 m the drift velocity of electron is \(2.5 \times 10^{-4} \mathrm{~m} / \mathrm{s}\). If the electron density in the wire is \(8 \times 10^{2 s} \mathrm{~m}^{-3}\) the resistivity of the material is close to:

1 \(1.6 \times 10^{-6} \mathrm{\Omega m}\)
2 \(1.6 \times 10^{-5} 2 \mathrm{~m}\)
3 \(1.6 \times 10^{-3} \Omega \mathrm{~m}\)
4 \(1.6 \times 10^{-7} \mathrm{\Omega m}\)
TEST SERIES (PHYSICS FST)

263913 A body cools from \(60^{\circ} \mathrm{C}\) to \(50^{\circ} \mathrm{C}\) in 10 minutes. If the room temperature is \(25^{\circ} \mathrm{C}\) and assuming Newton's law of cooling to hold good, the temperature of the body at the end of the next 10 minutes will be:

1 \(38.5^{\circ} \mathrm{C}\)
2 \(40^{\circ} \mathrm{C}\)
3 \(42.85^{\circ} \mathrm{C}\)
4 \(45^{\circ} \mathrm{C}\).
TEST SERIES (PHYSICS FST)

263914 A stretched wire of length 114 cm is divided into three segments whose frequencies are in the ratio 1:3:4; the lengths of the segments must be in the ratio:

1 \(18: 24: 72\)
2 \(24: 72: 18\)
3 \(24: 18: 72\)
4 \(72: 24: 18\)
TEST SERIES (PHYSICS FST)

263915 The electric field intensity on the surface of a solid charged sphere of radius r and volume charge density p is given by :

1 \(\frac{\rho r}{3 \varepsilon_a}\)
2 \(\frac{1}{4 \pi \varepsilon_0} \frac{p}{r}\)
3 zero
4 \(\frac{5 \rho r}{6 \varepsilon_0}\)
TEST SERIES (PHYSICS FST)

263916 Equipotential surface associated with an electric field which is increasing in magnitude along the X -direction are:

1 Planes parallel to \(Y Z\)-plane at equidistance
2 Planes parallel to \(Y Z\)-plane not at equidistance
3 Planes parallel to \(X Z\)-plane
4 Coaxial cylinders of increasing radii around the x -axis
TEST SERIES (PHYSICS FST)

263937 When 5 V potential difference is applied across a wire of length 0.1 m the drift velocity of electron is \(2.5 \times 10^{-4} \mathrm{~m} / \mathrm{s}\). If the electron density in the wire is \(8 \times 10^{2 s} \mathrm{~m}^{-3}\) the resistivity of the material is close to:

1 \(1.6 \times 10^{-6} \mathrm{\Omega m}\)
2 \(1.6 \times 10^{-5} 2 \mathrm{~m}\)
3 \(1.6 \times 10^{-3} \Omega \mathrm{~m}\)
4 \(1.6 \times 10^{-7} \mathrm{\Omega m}\)
TEST SERIES (PHYSICS FST)

263913 A body cools from \(60^{\circ} \mathrm{C}\) to \(50^{\circ} \mathrm{C}\) in 10 minutes. If the room temperature is \(25^{\circ} \mathrm{C}\) and assuming Newton's law of cooling to hold good, the temperature of the body at the end of the next 10 minutes will be:

1 \(38.5^{\circ} \mathrm{C}\)
2 \(40^{\circ} \mathrm{C}\)
3 \(42.85^{\circ} \mathrm{C}\)
4 \(45^{\circ} \mathrm{C}\).
TEST SERIES (PHYSICS FST)

263914 A stretched wire of length 114 cm is divided into three segments whose frequencies are in the ratio 1:3:4; the lengths of the segments must be in the ratio:

1 \(18: 24: 72\)
2 \(24: 72: 18\)
3 \(24: 18: 72\)
4 \(72: 24: 18\)
TEST SERIES (PHYSICS FST)

263915 The electric field intensity on the surface of a solid charged sphere of radius r and volume charge density p is given by :

1 \(\frac{\rho r}{3 \varepsilon_a}\)
2 \(\frac{1}{4 \pi \varepsilon_0} \frac{p}{r}\)
3 zero
4 \(\frac{5 \rho r}{6 \varepsilon_0}\)
TEST SERIES (PHYSICS FST)

263916 Equipotential surface associated with an electric field which is increasing in magnitude along the X -direction are:

1 Planes parallel to \(Y Z\)-plane at equidistance
2 Planes parallel to \(Y Z\)-plane not at equidistance
3 Planes parallel to \(X Z\)-plane
4 Coaxial cylinders of increasing radii around the x -axis
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
TEST SERIES (PHYSICS FST)

263937 When 5 V potential difference is applied across a wire of length 0.1 m the drift velocity of electron is \(2.5 \times 10^{-4} \mathrm{~m} / \mathrm{s}\). If the electron density in the wire is \(8 \times 10^{2 s} \mathrm{~m}^{-3}\) the resistivity of the material is close to:

1 \(1.6 \times 10^{-6} \mathrm{\Omega m}\)
2 \(1.6 \times 10^{-5} 2 \mathrm{~m}\)
3 \(1.6 \times 10^{-3} \Omega \mathrm{~m}\)
4 \(1.6 \times 10^{-7} \mathrm{\Omega m}\)
TEST SERIES (PHYSICS FST)

263913 A body cools from \(60^{\circ} \mathrm{C}\) to \(50^{\circ} \mathrm{C}\) in 10 minutes. If the room temperature is \(25^{\circ} \mathrm{C}\) and assuming Newton's law of cooling to hold good, the temperature of the body at the end of the next 10 minutes will be:

1 \(38.5^{\circ} \mathrm{C}\)
2 \(40^{\circ} \mathrm{C}\)
3 \(42.85^{\circ} \mathrm{C}\)
4 \(45^{\circ} \mathrm{C}\).
TEST SERIES (PHYSICS FST)

263914 A stretched wire of length 114 cm is divided into three segments whose frequencies are in the ratio 1:3:4; the lengths of the segments must be in the ratio:

1 \(18: 24: 72\)
2 \(24: 72: 18\)
3 \(24: 18: 72\)
4 \(72: 24: 18\)
TEST SERIES (PHYSICS FST)

263915 The electric field intensity on the surface of a solid charged sphere of radius r and volume charge density p is given by :

1 \(\frac{\rho r}{3 \varepsilon_a}\)
2 \(\frac{1}{4 \pi \varepsilon_0} \frac{p}{r}\)
3 zero
4 \(\frac{5 \rho r}{6 \varepsilon_0}\)
TEST SERIES (PHYSICS FST)

263916 Equipotential surface associated with an electric field which is increasing in magnitude along the X -direction are:

1 Planes parallel to \(Y Z\)-plane at equidistance
2 Planes parallel to \(Y Z\)-plane not at equidistance
3 Planes parallel to \(X Z\)-plane
4 Coaxial cylinders of increasing radii around the x -axis
TEST SERIES (PHYSICS FST)

263937 When 5 V potential difference is applied across a wire of length 0.1 m the drift velocity of electron is \(2.5 \times 10^{-4} \mathrm{~m} / \mathrm{s}\). If the electron density in the wire is \(8 \times 10^{2 s} \mathrm{~m}^{-3}\) the resistivity of the material is close to:

1 \(1.6 \times 10^{-6} \mathrm{\Omega m}\)
2 \(1.6 \times 10^{-5} 2 \mathrm{~m}\)
3 \(1.6 \times 10^{-3} \Omega \mathrm{~m}\)
4 \(1.6 \times 10^{-7} \mathrm{\Omega m}\)
TEST SERIES (PHYSICS FST)

263913 A body cools from \(60^{\circ} \mathrm{C}\) to \(50^{\circ} \mathrm{C}\) in 10 minutes. If the room temperature is \(25^{\circ} \mathrm{C}\) and assuming Newton's law of cooling to hold good, the temperature of the body at the end of the next 10 minutes will be:

1 \(38.5^{\circ} \mathrm{C}\)
2 \(40^{\circ} \mathrm{C}\)
3 \(42.85^{\circ} \mathrm{C}\)
4 \(45^{\circ} \mathrm{C}\).
TEST SERIES (PHYSICS FST)

263914 A stretched wire of length 114 cm is divided into three segments whose frequencies are in the ratio 1:3:4; the lengths of the segments must be in the ratio:

1 \(18: 24: 72\)
2 \(24: 72: 18\)
3 \(24: 18: 72\)
4 \(72: 24: 18\)
TEST SERIES (PHYSICS FST)

263915 The electric field intensity on the surface of a solid charged sphere of radius r and volume charge density p is given by :

1 \(\frac{\rho r}{3 \varepsilon_a}\)
2 \(\frac{1}{4 \pi \varepsilon_0} \frac{p}{r}\)
3 zero
4 \(\frac{5 \rho r}{6 \varepsilon_0}\)
TEST SERIES (PHYSICS FST)

263916 Equipotential surface associated with an electric field which is increasing in magnitude along the X -direction are:

1 Planes parallel to \(Y Z\)-plane at equidistance
2 Planes parallel to \(Y Z\)-plane not at equidistance
3 Planes parallel to \(X Z\)-plane
4 Coaxial cylinders of increasing radii around the x -axis
TEST SERIES (PHYSICS FST)

263937 When 5 V potential difference is applied across a wire of length 0.1 m the drift velocity of electron is \(2.5 \times 10^{-4} \mathrm{~m} / \mathrm{s}\). If the electron density in the wire is \(8 \times 10^{2 s} \mathrm{~m}^{-3}\) the resistivity of the material is close to:

1 \(1.6 \times 10^{-6} \mathrm{\Omega m}\)
2 \(1.6 \times 10^{-5} 2 \mathrm{~m}\)
3 \(1.6 \times 10^{-3} \Omega \mathrm{~m}\)
4 \(1.6 \times 10^{-7} \mathrm{\Omega m}\)
TEST SERIES (PHYSICS FST)

263913 A body cools from \(60^{\circ} \mathrm{C}\) to \(50^{\circ} \mathrm{C}\) in 10 minutes. If the room temperature is \(25^{\circ} \mathrm{C}\) and assuming Newton's law of cooling to hold good, the temperature of the body at the end of the next 10 minutes will be:

1 \(38.5^{\circ} \mathrm{C}\)
2 \(40^{\circ} \mathrm{C}\)
3 \(42.85^{\circ} \mathrm{C}\)
4 \(45^{\circ} \mathrm{C}\).
TEST SERIES (PHYSICS FST)

263914 A stretched wire of length 114 cm is divided into three segments whose frequencies are in the ratio 1:3:4; the lengths of the segments must be in the ratio:

1 \(18: 24: 72\)
2 \(24: 72: 18\)
3 \(24: 18: 72\)
4 \(72: 24: 18\)
TEST SERIES (PHYSICS FST)

263915 The electric field intensity on the surface of a solid charged sphere of radius r and volume charge density p is given by :

1 \(\frac{\rho r}{3 \varepsilon_a}\)
2 \(\frac{1}{4 \pi \varepsilon_0} \frac{p}{r}\)
3 zero
4 \(\frac{5 \rho r}{6 \varepsilon_0}\)
TEST SERIES (PHYSICS FST)

263916 Equipotential surface associated with an electric field which is increasing in magnitude along the X -direction are:

1 Planes parallel to \(Y Z\)-plane at equidistance
2 Planes parallel to \(Y Z\)-plane not at equidistance
3 Planes parallel to \(X Z\)-plane
4 Coaxial cylinders of increasing radii around the x -axis