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A rod lies along the X-axis with one end at the origin and the other at x→∞. It carries a uniform charge λCm^−1. The electric field at the point x=−a on the axis will be
30
Nov
A rod lies along the X-axis with one end at the origin and the other at x→∞. It carries a uniform charge λCm^−1. The electric field at the point x=−a on the axis will be A rod lies along the X-axis with one end at the origin and the other at x→∞. It carries a [...]
In the uniform electric field of E=1×10^4 NC^−1 , an electron is accelerated from rest. The velocity of the electron when it has travelled a distance of 2×10^−2 m is nearly ( m/e of electron =1.8×10^11 C kg^−1 )
30
Nov
In the uniform electric field of E=1×10^4 NC^−1 , an electron is accelerated from rest. The velocity of the electron when it has travelled a distance of 2×10^−2 m is nearly ( m/e of electron =1.8×10^11 C kg^−1 ) an electron is accelerated from rest. The velocity of the electron when it has travelled a [...]
There is a uniform electric field of strength 10^3V/m along y-axis; A body of mass 1 g and change 10^6 C is projected into the field from origin along the positive x-axis with a velocity 10 m/s. Its speed in m/s after 10s will be .(neglect gravitation)
30
Nov
There is a uniform electric field of strength 10^3V/m along y-axis; A body of mass 1 g and change 10^6 C is projected into the field from origin along the positive x-axis with a velocity 10 m/s. Its speed in m/s after 10s will be .(neglect gravitation) Force between two identical charges placed at a [...]
A semi-circular arc of radius ‘a’ is charged uniformly and the charge per unit length is λ. The electric field at its centre is
30
Nov
A semi-circular arc of radius ‘a’ is charged uniformly and the charge per unit length is λ. The electric field at its centre is A semi-circular arc of radius 'a' is charged uniformly and the charge per unit length is λ. The electric field at its centre is November 30, 2020 Category: Cengage JEE Mains [...]
A charged oil drop is suspended in a uniform field of 3×10^4V/m so that it neither falls nor rises. The charge on the drop will be (take the mass of the drop is =9.9×10^−15kg and g=10m/s^2)
30
Nov
A charged oil drop is suspended in a uniform field of 3×10^4V/m so that it neither falls nor rises. The charge on the drop will be (take the mass of the drop is =9.9×10^−15kg and g=10m/s^2) A charged oil drop is suspended in a uniform field of 3×10^4V/m so that it neither falls nor rises. [...]
Which one of the following is an example of non-typical transition elements (a) Li, K , Na (b) Be, Al, Pb (c) Zn, Cd, Hg (d) Ba, Ca, Sr
30
Nov
Which one of the following is an example of non-typical transition elements (a) Li, K , Na (b) Be, Al, Pb (c) Zn, Cd, Hg (d) Ba, Ca, Sr AL Ca CD Hg (d) Ba K Na (b) Be Pb (c) Zn Sr Which one of the following is an example of non-typical transition elements [...]
The tendency of 3d-metal ions to form stable complexes is due to their (a) Variable oxidation state (b) Strong electronegative nature
30
Nov
The tendency of 3d-metal ions to form stable complexes is due to their (a) Variable oxidation state (b) Strong electronegative nature The tendency of 3d-metal ions to form stable complexes is due to their (a) Variable oxidation state (b) Strong electronegative nature November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
The atomic number of an element is 22. The highest oxidation state exhibited by it in its compounds is (a) 1 (b) 2 (c) 3 (d) 4
30
Nov
The atomic number of an element is 22. The highest oxidation state exhibited by it in its compounds is (a) 1 (b) 2 (c) 3 (d) 4 The atomic number of an element is 22. The highest oxidation state exhibited by it in its compounds is (a) 1 (b) 2 (c) 3 (d) 4 November [...]
The electroplating of chromium is undertaken because (a) Electrolysis of chromium is easier (b) Chromium can form alloys with other metals
30
Nov
The electroplating of chromium is undertaken because (a) Electrolysis of chromium is easier (b) Chromium can form alloys with other metals The electroplating of chromium is undertaken because (a) Electrolysis of chromium is easier (b) Chromium can form alloys with other metals November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
The kinetic energy of an electron in the second Bohr orbit of a hydrogen atom is [ a0 is bohr radius ]
30
Nov
The kinetic energy of an electron in the second Bohr orbit of a hydrogen atom is [ a0 is bohr radius ] The kinetic energy of an electron in the second Bohr orbit of a hydrogen atom is [ a0 is bohr radius ] November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]