Angle of deflection was studied by--------?

J.Perrin

William Crookes

Stoney

Hitorff

Angle of deflection was studied by--------?

10th-class-mcqs-all-subjects9th-class-mcqs-all-subjects11th-class-mcqs-past-papers12th-class-macqs-past-paperscss-islamiat-past-papers-mcqsnts-online-test-preparation