Physics-
General
Easy
Question
There are constant electric field 
& magnetic field 
present between plates P and 
. A particle of mass m is projected from plate P' along y axis with velocity v1 . After moving on the curved path, it passes through point A just grazing the plate P with velocity v2 . The magnitude of impulse(i.e. 
)provided by magnetic force during the motion of particle from origin to point A is :–
The correct answer is:
Related Questions to study
chemistry-
In a set of reactions, acetic acid yields a product [C].
In a set of reactions, acetic acid yields a product [C].
chemistry-General
chemistry-
In a set of reactions, m-bromo benzoic acid gave a product ‘D’. Identify the product.
In a set of reactions, m-bromo benzoic acid gave a product ‘D’. Identify the product.
chemistry-General
chemistry-
Compound C in the above reaction is
Compound C in the above reaction is
chemistry-General
chemistry-
Compounds of general formula 
are called
Compounds of general formula are called
chemistry-General
physics-
The liquid in the watch glass in the following figure is :-
The liquid in the watch glass in the following figure is :-
physics-General
Maths-
we can summarize the sum of GP formulas as follows:
- S∞ = a / (1 - r) when |r| < 1
- S∞ = ±∞, when |r| ≥ 1
Maths-General
we can summarize the sum of GP formulas as follows:
- S∞ = a / (1 - r) when |r| < 1
- S∞ = ±∞, when |r| ≥ 1
chemistry-
The IUPAC name of ‘B’ is
The IUPAC name of ‘B’ is
chemistry-General
chemistry-
Match the reactant in Column-I with the reaction in Column-II
Match the reactant in Column-I with the reaction in Column-II
chemistry-General
physics-
A semi circular current carrying wire having radius R is placed in 
plane with its centre at origin 'O'. There is non–uniform magnetic field 
(here B0 is +ve constant) is existing in the region. The magnetic force acting on semicircular wire will be along
A semi circular current carrying wire having radius R is placed in plane with its centre at origin 'O'. There is non–uniform magnetic field (here B0 is +ve constant) is existing in the region. The magnetic force acting on semicircular wire will be along
physics-General
physics-
A particle moving with velocity v having specific charge (q/m) enters a region of magnetic field B having width 
at angle 
to the boundary of magnetic field. Find the angle 
in the diagram.
A particle moving with velocity v having specific charge (q/m) enters a region of magnetic field B having width at angle to the boundary of magnetic field. Find the angle in the diagram.
physics-General
physics-
A charged particle enters a uniform magnetic field perpendicular to its initial direction travelling in air. The path of the particle is seen to follow the path in figure. Which of statements 1–3 is /are correct?
1) The magnetic field strength may have been increased while the particle was travelling in air
2) The particle lost energy by ionizing the air
3) The particle lost charge by ionizing the air
A charged particle enters a uniform magnetic field perpendicular to its initial direction travelling in air. The path of the particle is seen to follow the path in figure. Which of statements 1–3 is /are correct?
1) The magnetic field strength may have been increased while the particle was travelling in air
2) The particle lost energy by ionizing the air
3) The particle lost charge by ionizing the air
physics-General
chemistry-
Collin’s reagent causes the conversion
Collin’s reagent causes the conversion
chemistry-General
physics-
A particle having charge q enters a region of uniform magnetic field 
(directed inwards) and is deflected a distance x after travelling a distance y. The magnitude of the momentum of the particle is
A particle having charge q enters a region of uniform magnetic field (directed inwards) and is deflected a distance x after travelling a distance y. The magnitude of the momentum of the particle is
physics-General
physics-
Net magnetic field at the centre of the circle O due to a current carrying loop as shown in figure is 
Net magnetic field at the centre of the circle O due to a current carrying loop as shown in figure is
physics-General
physics-
A nonconducting disc having uniform positive charge Q, is rotating about its axis with uniform angular velocity 
. The magnetic field at the centre of the disc is–
A nonconducting disc having uniform positive charge Q, is rotating about its axis with uniform angular velocity . The magnetic field at the centre of the disc is–
physics-General
