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Class 12 Mcq

Class 12 Physics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

PhysicsFar-field magnitudes on axial and equatorial lines of a dipole are different. Still, what similarity do they have?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Hard PhysicsAt far points, comparing a point charge and a dipole, which field remains more effective as distance increases?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Hard PhysicsDipole moment is a vector, while electric flux is a scalar. Which comparison is correct?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Medium PhysicsHow can electric flux be negative even though it is a scalar?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Medium PhysicsIf the angle between the field and area vector is slightly greater than ninety degrees, what will be the sign of flux?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Medium PhysicsIf the angle between the field and area vector is slightly less than ninety degrees, what will be the sign and magnitude of flux?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Medium PhysicsWhy is the field at a far axial point of a dipole taken along the dipole moment?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Hard PhysicsWhy is the field on the equatorial line of a dipole opposite to the dipole moment?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Hard PhysicsWhy does the field of a dipole at far points decrease faster than that of a point charge?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Hard PhysicsA dipole can experience net force in a non-uniform electric field. What is the deeper reason?Class 12Chapter1: Electric Charges and FieldsDipole in a Uniform External FieldLevel 21Hard PhysicsDipole moment is along the electric field. Why is torque zero and the position stable?Class 12Chapter1: Electric Charges and FieldsDipole in a Uniform External FieldLevel 21Hard PhysicsThe dipole moment is opposite to the electric field. Why does the dipole rotate after a small disturbance?Class 12Chapter1: Electric Charges and FieldsDipole in a Uniform External FieldLevel 21Hard PhysicsFlux through a surface is zero, but the electric field is non-zero. In which situation is this possible?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Medium PhysicsThe flux through a plane surface is half its maximum value. What can be the angle between the electric field and the area vector?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Medium PhysicsFlux through a plane surface is maximum and positive. If the surface is reversed in the same electric field, what will the flux become?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Medium PhysicsThe area vector of a plane surface makes an angle of 120° with the electric field. What is the sign of the electric flux?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 21Medium PhysicsIn a difficult problem, net flux is zero and a dipole is present. What is the safest order of analysis?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 20Expert PhysicsWhat is the fundamental difference between electric field and electric flux?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 20Medium PhysicsA dipole is in stable equilibrium parallel to the electric field. How is its potential energy?Class 12Chapter1: Electric Charges and FieldsDipole in a Uniform External FieldLevel 20Medium PhysicsA dipole is placed perpendicular to a uniform electric field. Which statement about net force and torque is correct?Class 12Chapter1: Electric Charges and FieldsDipole in a Uniform External FieldLevel 20Hard