A particle of mass m and charge `-q` is projected from the origin with a horizontal speed v into an electric field of intensity E directed downward. Choose the wrong statement. Neglect gravity

A particle is having mass m & charge +q is projected horizontally from point O . Electric field is present and is directed vertically downward .

A particle having mass m and charge q is projected at an angle of 75° to the horizontal with a speed u. A uniform electric field E=(mg)/(q) exists in horizontal direction. Find the time after projection when the velocity of particle makes an angle of 45° with horizontal.

An oil drop of mass m and charge +q is balanced in vaccum by a uniform electric field of intensity E . the direction of this field should be

A particle of mass m and charge q is thrown with initial velocity v_(0) at an angle with the horizontal. In space there exist an electric field of strength E at angle beta with the downward vertical away from the point of projection. Find the time of flight and range of projectile on horizontal ground

A charged particle of mass m and charge q is released from rest in an electric field of constant magnitude E . The kinetic energy of the particle after time t is

A charged particle of mass m and charge q is released from rest in an electric field of constant magnitude E . The kinetic energy of the particle after time t is