Physics-
General
Easy
Question
Two point changes and are placed at distances b=1am and a=2cm from the origin on the y and x axes. The electric field vector at point P(a, b) will subtend an angle ' ' with the x - axis given by
The correct answer is:
Related Questions to study
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Three charges and are placed as shown in the figure. The x-component of the force on is proportional to
Three charges and are placed as shown in the figure. The x-component of the force on is proportional to
Physics-General
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Two parallel sheets 1 and 2 carry uniform charge densities and , as shown in the figure. The magnitude of the resultant electric field in the region marked I is .
Two parallel sheets 1 and 2 carry uniform charge densities and , as shown in the figure. The magnitude of the resultant electric field in the region marked I is .
Physics-General
Physics-
A charge q is placed at the mid-point of the line joining two charges each of Q. If the whole system is in equilibrium, then the value of q is
A charge q is placed at the mid-point of the line joining two charges each of Q. If the whole system is in equilibrium, then the value of q is
Physics-General
Physics-
A condenser of capacity 16mF charged to a potential of 20V is connected to a condenser of capacity c charged to a potential of 10V as shown in the figure. If the common potential is 14V, the capacity C is equal to
A condenser of capacity 16mF charged to a potential of 20V is connected to a condenser of capacity c charged to a potential of 10V as shown in the figure. If the common potential is 14V, the capacity C is equal to
Physics-General
Physics-
The effective capacitance in in between A and B will be
The effective capacitance in in between A and B will be
Physics-General
Maths-
On the parabola , the point least distance from the straight line is
On the parabola , the point least distance from the straight line is
Maths-General
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The equation of a hyperbola, whose foci are (5, 0) and (–5, 0) and the length of whose conjugate axis is 8, is
The equation of a hyperbola, whose foci are (5, 0) and (–5, 0) and the length of whose conjugate axis is 8, is
Maths-General
Maths-
The radius of the director circle of the hyperbola , is
The radius of the director circle of the hyperbola , is
Maths-General
Chemistry-
A black colored compound (A)on reaction with diluteH2SO4 gives a gas(B) which on passing in a solution ofan acid (C) gives a white turbidity (D). Gas (B) when placed in an acidified solution of acompound (E)gives aprecipitate(F)solubleindiluteHNO3.Afterboilingthissolution,whenanexcessofNH4OHisadded,bluecoloredcompound(G)is formed. Tothissolution on additionofCH3COOHandaqueous K4[Fe(CN)6],a chocolate precipitate(H)is obtained. On addition of an aqueous solution ofBaCl2 to an aqueous solutionofE,awhitepptinsolubleinHNO3isobtained. Identify H:
A black colored compound (A)on reaction with diluteH2SO4 gives a gas(B) which on passing in a solution ofan acid (C) gives a white turbidity (D). Gas (B) when placed in an acidified solution of acompound (E)gives aprecipitate(F)solubleindiluteHNO3.Afterboilingthissolution,whenanexcessofNH4OHisadded,bluecoloredcompound(G)is formed. Tothissolution on additionofCH3COOHandaqueous K4[Fe(CN)6],a chocolate precipitate(H)is obtained. On addition of an aqueous solution ofBaCl2 to an aqueous solutionofE,awhitepptinsolubleinHNO3isobtained. Identify H:
Chemistry-General
Chemistry-
A black colored compound (A)on reaction with diluteH2SO4 gives a gas(B) which on passing in a solution ofan acid (C) gives a white turbidity (D). Gas (B) when placed nan acidified solution of a compound(E)gives a precipitate(F)solubleindiluteHNO3.Afterboilingthissolution,whenanexcessofNH4OHisadded,bluecoloredcompound(G) is formed. To this solution on additionofCH3COOHandaqueous K4[Fe(CN)6],a chocolate precipitate(H)isobtained. On addition of an aqueous solution ofBaCl2 to an aqueous solutionofE,awhitepptinsolubleinHNO3isobtained. Identify C:
A black colored compound (A)on reaction with diluteH2SO4 gives a gas(B) which on passing in a solution ofan acid (C) gives a white turbidity (D). Gas (B) when placed nan acidified solution of a compound(E)gives a precipitate(F)solubleindiluteHNO3.Afterboilingthissolution,whenanexcessofNH4OHisadded,bluecoloredcompound(G) is formed. To this solution on additionofCH3COOHandaqueous K4[Fe(CN)6],a chocolate precipitate(H)isobtained. On addition of an aqueous solution ofBaCl2 to an aqueous solutionofE,awhitepptinsolubleinHNO3isobtained. Identify C:
Chemistry-General
Chemistry-
A black colored compound(A)on reaction with dil. H2SO4 gives a gas(B)which onpassingin a solution of anacid (C) gives a white turbidity (D). Gas (B)when passed in an acidified solution of a compound(E) gives a black precipitate (F) which is soluble in hot concentrated (C).After boiling this solution whene xcess of ammonia solution is added, a blue colored compound (G) is formed. To the solution of(E), onaddition of acetic acid and aqueous potassium ferrocyanide, a chocolate brown precipitate (H) is formed.OnadditionofanaqueoussolutionofBaCl2toan aqueoussolutionof(E),white precipitate insoluble in HNO3isobtained. To which of the following property, will the compound(E)respond?
A black colored compound(A)on reaction with dil. H2SO4 gives a gas(B)which onpassingin a solution of anacid (C) gives a white turbidity (D). Gas (B)when passed in an acidified solution of a compound(E) gives a black precipitate (F) which is soluble in hot concentrated (C).After boiling this solution whene xcess of ammonia solution is added, a blue colored compound (G) is formed. To the solution of(E), onaddition of acetic acid and aqueous potassium ferrocyanide, a chocolate brown precipitate (H) is formed.OnadditionofanaqueoussolutionofBaCl2toan aqueoussolutionof(E),white precipitate insoluble in HNO3isobtained. To which of the following property, will the compound(E)respond?
Chemistry-General
Maths-
The maximum value of is
The maximum value of is
Maths-General
Maths-
The abscissa if points and on the curve such that tangents at and make with the -axis
The abscissa if points and on the curve such that tangents at and make with the -axis
Maths-General
Maths-
If , then is
If , then is
Maths-General
Maths-
At what points of curve , the tangent makes the equal angle with the axis?
At what points of curve , the tangent makes the equal angle with the axis?
Maths-General