Afarmer wants to harvest more than two varieties of crops at a times from his field . he has no idea about the modern methods of agricultural practices. conduct brief research on modern method of agricultural practices and its advantages and suggest him to get the desired result.

Unpolarized light of intensity i_0=750w/m^2 is incident upon two polarizers. after passing through both polarizers the intensity is i_2=280w/m^2. (a) what is the intensity of the light after it passes through the first polarizer in w/m^2? (b) write an equation for the angle between the polarizers in terms of the initial (i_0) and final (i_2) intensities. (c) find the angle between the polarizers in degrees.

The mantle is made up of which structural zones?

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?