List of top B.Ed. Science Questions on Human health and disease

B is constant, no current in the cube. Cube is moving with velocity \(v\). The direction of electric force on the electron inside this cube is

Proton is discovered by
Electron is discovered by
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Curl of electric field is zero. Reason R: Linear integral of electric field around a closed path is evidently zero. Choose the most appropriate answer from the options given below
Identify which one is NOT a Sexually Transmitted Infection (STI):