white rust of crucifers caused by which pathogen that

When electric current is passed through a wire, the amount of heat produced in a wire depends upon _____.

I. Length

II. Thickness

A gas is compressed at constant temperature. Which of the following will decrease?

Shadows are formed when a/an _______ object comes in the path of light.

Which type of glass is used for making chemical apparatus like beakers, flasks etc.?

A body of mass 6 kg accelerates from 6 m/s to 18 m/s in 3 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).

What is the focal length of a plane mirror?

What happens when sodium reacts with water?

A spring of spring constant 500 N/m is compressed by 5 cm. The potential energy stored is:

Which of the following is a renewable energy source?

Which of the following is used to initiate nuclear fission?