Calculate the elecric flux though a hemisphere of radius R . The electric field E is unfrom and is (a) parallel,(b) perpendicular to axis of the hemisphere.

The electric flux through a hemispherical surface of radius R placed in a uniform electric field E parallel to the axis of the circular plane is

Total surface area of a hemisphere of radius r is :

The curved surface area of a hemisphere of radius r is :

Determine the centre of mass of a uniform hemisphere of radius R.

Determine the centre of mass of a uniform hemisphere of radius R.

In the figure a hemispherical bowl of bowl of radius R is shown Electric field of intensity E is present perpendicular to the circular cross section of the hemisohere.

A charge 'Q' is placed at the centre of a hemispherical surface of radius 'R'. The flux of electric field due to charge 'Q' through the surface of hemisphere is

A charge 'Q' is placed at the centre of a hemispherical surface of radius 'R'. The flux of electric field due to charge 'Q' through the surface of hemisphere is