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Charges +q and −q are placed at points A and B respectively which are a distance 2L apart, C is the midpoint between A and B. The work done in moving a charge +Q along the semicircle CRD is:
01
Dec
Charges +q and −q are placed at points A and B respectively which are a distance 2L apart, C is the midpoint between A and B. The work done in moving a charge +Q along the semicircle CRD is: C is the midpoint between A and B. The work done in moving a charge +Q [...]
Pure conc. HNO3 makes iron passive as the surface is covered with protective layer of (a) Fe2O3 (b) FeO (c) Fe3O4 (d) Fe(N)3)3
01
Dec
Pure conc. HNO3 makes iron passive as the surface is covered with protective layer of (a) Fe2O3 (b) FeO (c) Fe3O4 (d) Fe(N)3)3 Pure conc. HNO3 makes iron passive as the surface is covered with protective layer of (a) Fe2O3 (b) FeO (c) Fe3O4 (d) Fe(N)3)3 December 1, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
Four electric charges +q, +q, −q and −q are placed at the corners of a square of side 2L (see figure). The electric potential at point A, midway between the two charges +q and +q, is
01
Dec
Four electric charges +q, +q, −q and −q are placed at the corners of a square of side 2L (see figure). The electric potential at point A, midway between the two charges +q and +q, is -q −q and −q are placed at the corners of a square of side 2L (see figure). The electric [...]
A bullet of mass 2g is having a charge of 2μc. Through what potential difference must it be accelerated, starting from rest, to acquire a speed of 10m/s
01
Dec
A bullet of mass 2g is having a charge of 2μc. Through what potential difference must it be accelerated, starting from rest, to acquire a speed of 10m/s A bullet of mass 2g is having a charge of 2μc. Through what potential difference must it be accelerated starting from rest to acquire a speed of [...]
Which is the most covalent (a) C – O (b) C – Br (c) C – S (d) C – F
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Dec
Which is the most covalent (a) C – O (b) C – Br (c) C – S (d) C – F Which is the most covalent (a) C - O (b) C - Br (c) C - S (d) C - F December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
In an hydrogen atom, the electron revolves around the nucleus in an orbit of radius 0.53×10^−10m. Then the electrical potential produced by the nucleus at the position of the electron is
01
Dec
In an hydrogen atom, the electron revolves around the nucleus in an orbit of radius 0.53×10^−10m. Then the electrical potential produced by the nucleus at the position of the electron is In an hydrogen atom the electron revolves around the nucleus in an orbit of radius 0.53×10^−10m. Then the electrical potential produced by the nucleus [...]
Four point charges −Q,−q,2q and 2Q are placed, one at each corner of the square. The relation between Q and q for which the potential at the centre of the square is zero is
01
Dec
Four point charges −Q,−q,2q and 2Q are placed, one at each corner of the square. The relation between Q and q for which the potential at the centre of the square is zero is −q 2q and 2Q are placed Four point charges −Q one at each corner of the square. The relation between Q [...]
Which of the following is more soluble in ammonia (a) AgCl (b) AgBr (c) Agl (d) None of these
01
Dec
Which of the following is more soluble in ammonia (a) AgCl (b) AgBr (c) Agl (d) None of these Which of the following is more soluble in ammonia (a) AgCl (b) AgBr (c) Agl (d) None of these December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
If the atomic number of element X is 7 , the best electron dot symbol for the element is
01
Dec
If the atomic number of element X is 7 , the best electron dot symbol for the element is If the atomic number of element X is 7 the best electron dot symbol for the element is December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The form of iron having the highest carbon content is (a) Cast iron (b) Wrought iron (c) Strain steel (d) Mild steel
01
Dec
The form of iron having the highest carbon content is (a) Cast iron (b) Wrought iron (c) Strain steel (d) Mild steel The form of iron having the highest carbon content is (a) Cast iron (b) Wrought iron (c) Strain steel (d) Mild steel December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]