267922 There is a uniform electric field of strength\(10^{3} \mathrm{~V} / \mathrm{m}\) along y-axis. A body of mass \(1 \mathrm{~g}\) and charge \(10^{-6} \mathrm{C}\) is projected into the field from origin along the positive \(x\)-axis with a velocity \(10 \mathrm{~m} / \mathrm{s}\). Its speed in m/s after 10 s is (neglect gravitation)
267923
The point charges\(+1 C,+1 C\) and \(-1 C\) are placed at the vertices \(A, B\) and \(C\) of an equilateral triangle of side \(1 \mathrm{~m}\). Then
(A) The force acting on the charge at \(A\) is \(9 \times 10^{9} \mathrm{~N}\)
(B) The electric field strength at \(A\) is \(9 \times 10^{9} \mathrm{NC}^{-1}\)
267941 If the electric field between the plates of a cathode ray oscilloscope be \(1.2 \times 10^{4} \mathrm{~N} / \mathrm{C}\), the deflection that an electron will experienceif it enters at right angles to the field with kinetic energy \(\mathbf{2 0 0 0} \mathrm{eV}\) is (T he deflection assembly is \(1.5 \mathrm{~cm}\) long.)
267942 A electric field of\(1.5 \times 10^{4} \mathrm{NC}^{-1}\) exists between two parallel plates of length \(2 \mathrm{~cm}\). An electron enters the region between the plates at right angles to the field with a kinetic energy of \(E_{k}=2000 \mathrm{eV}\). The deflection that the electron experiences at the deflecting plates is
267922 There is a uniform electric field of strength\(10^{3} \mathrm{~V} / \mathrm{m}\) along y-axis. A body of mass \(1 \mathrm{~g}\) and charge \(10^{-6} \mathrm{C}\) is projected into the field from origin along the positive \(x\)-axis with a velocity \(10 \mathrm{~m} / \mathrm{s}\). Its speed in m/s after 10 s is (neglect gravitation)
267923
The point charges\(+1 C,+1 C\) and \(-1 C\) are placed at the vertices \(A, B\) and \(C\) of an equilateral triangle of side \(1 \mathrm{~m}\). Then
(A) The force acting on the charge at \(A\) is \(9 \times 10^{9} \mathrm{~N}\)
(B) The electric field strength at \(A\) is \(9 \times 10^{9} \mathrm{NC}^{-1}\)
267941 If the electric field between the plates of a cathode ray oscilloscope be \(1.2 \times 10^{4} \mathrm{~N} / \mathrm{C}\), the deflection that an electron will experienceif it enters at right angles to the field with kinetic energy \(\mathbf{2 0 0 0} \mathrm{eV}\) is (T he deflection assembly is \(1.5 \mathrm{~cm}\) long.)
267942 A electric field of\(1.5 \times 10^{4} \mathrm{NC}^{-1}\) exists between two parallel plates of length \(2 \mathrm{~cm}\). An electron enters the region between the plates at right angles to the field with a kinetic energy of \(E_{k}=2000 \mathrm{eV}\). The deflection that the electron experiences at the deflecting plates is
267922 There is a uniform electric field of strength\(10^{3} \mathrm{~V} / \mathrm{m}\) along y-axis. A body of mass \(1 \mathrm{~g}\) and charge \(10^{-6} \mathrm{C}\) is projected into the field from origin along the positive \(x\)-axis with a velocity \(10 \mathrm{~m} / \mathrm{s}\). Its speed in m/s after 10 s is (neglect gravitation)
267923
The point charges\(+1 C,+1 C\) and \(-1 C\) are placed at the vertices \(A, B\) and \(C\) of an equilateral triangle of side \(1 \mathrm{~m}\). Then
(A) The force acting on the charge at \(A\) is \(9 \times 10^{9} \mathrm{~N}\)
(B) The electric field strength at \(A\) is \(9 \times 10^{9} \mathrm{NC}^{-1}\)
267941 If the electric field between the plates of a cathode ray oscilloscope be \(1.2 \times 10^{4} \mathrm{~N} / \mathrm{C}\), the deflection that an electron will experienceif it enters at right angles to the field with kinetic energy \(\mathbf{2 0 0 0} \mathrm{eV}\) is (T he deflection assembly is \(1.5 \mathrm{~cm}\) long.)
267942 A electric field of\(1.5 \times 10^{4} \mathrm{NC}^{-1}\) exists between two parallel plates of length \(2 \mathrm{~cm}\). An electron enters the region between the plates at right angles to the field with a kinetic energy of \(E_{k}=2000 \mathrm{eV}\). The deflection that the electron experiences at the deflecting plates is
267922 There is a uniform electric field of strength\(10^{3} \mathrm{~V} / \mathrm{m}\) along y-axis. A body of mass \(1 \mathrm{~g}\) and charge \(10^{-6} \mathrm{C}\) is projected into the field from origin along the positive \(x\)-axis with a velocity \(10 \mathrm{~m} / \mathrm{s}\). Its speed in m/s after 10 s is (neglect gravitation)
267923
The point charges\(+1 C,+1 C\) and \(-1 C\) are placed at the vertices \(A, B\) and \(C\) of an equilateral triangle of side \(1 \mathrm{~m}\). Then
(A) The force acting on the charge at \(A\) is \(9 \times 10^{9} \mathrm{~N}\)
(B) The electric field strength at \(A\) is \(9 \times 10^{9} \mathrm{NC}^{-1}\)
267941 If the electric field between the plates of a cathode ray oscilloscope be \(1.2 \times 10^{4} \mathrm{~N} / \mathrm{C}\), the deflection that an electron will experienceif it enters at right angles to the field with kinetic energy \(\mathbf{2 0 0 0} \mathrm{eV}\) is (T he deflection assembly is \(1.5 \mathrm{~cm}\) long.)
267942 A electric field of\(1.5 \times 10^{4} \mathrm{NC}^{-1}\) exists between two parallel plates of length \(2 \mathrm{~cm}\). An electron enters the region between the plates at right angles to the field with a kinetic energy of \(E_{k}=2000 \mathrm{eV}\). The deflection that the electron experiences at the deflecting plates is