Charge of an `alpha-` particle is `+3.2xx10^(-19)C`. What force will act on the `alpha`- particle in an electric field of intensity `"4000 N.C"^(-1)`?

What are the mass and charge of an alpha -particle?

The charge of an electric dipole is 10muC and length 20 mm. It is placed along an electric field of intensity 10^(3)N.C^(-1) . What is the net force acting on the dipole ? If the dipole is placed at an angle of 60^(@) with the electric field, what amount of torque will act on it?

What will be the amount of work done to rotate an electric dipole of moment 2.0 xx 10^(-20)C cdot m through an angle of 180^(@) in an electric field of intensity 1.2 xx 10^(4) V cdot m^(-1) ?

Two charges +q and -q separated by a distance of 3xx10^(-12)m in air form an electric dipole. If the intensity of the electric field is 3.3xx10^(-32)N.C^(-1) at a distance 3 cm from the dipole on the perpendicular bisector, what is value of q?

An electric dipole is formed by two equal but opposite charges , each of magnitude 1mu C , separated by a distance of 5 cm. what is the magnitude of the torque required to place the dipole at right angles to an electric field of intensity 3 xx 10^5 N * C ^ ( - 1 ) ?

If an oil drop of weight 3.2xx10^(-13) N is balanced in an electric field of intensity 5xx10^(5) V/m, find the charge on oil drop.

A certain particle carries 2.5xx10^(-16)C of static electric charge. Find the no. of electrons present in it.

A cyclotron is being used to accelerate positive ions mass is 6.7xx10^(-27)kg and charge is 3.2xx10^(-19)C has a magnetic field of pi/2T . What must be the value of frequency of the applied alternating electric field to be used in it?

Calculate the wavelength of an alpha -particle having an energy of 6.8xx10^(-18)J .

What is the ratio of the charges of alpha and beta - particles?