Indian Navy AA (Artificer Apprentice) Science & Technology — practice questions
18 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Indian Navy AA (Artificer Apprentice) Science & Technology in the app →In which year did John Dalton propose his atomic theory based on scientific experiments?Cathode rays are streams of:The charge of an electron, by convention, is:J. J. Thomson received the Nobel Prize in Physics in:Thomson's model of the atom is also called the:In the watermelon analogy of Thomson's atomic model:In the gold foil experiment, the particles aimed at the gold foil were:Most alpha particles in the gold foil experiment:According to Rutherford's planetary model, electrons:The approximate diameter of an atom is:The approximate diameter of the nucleus is:If an atom were the size of a cricket ground (~100 m), the nucleus would be roughly the size of:J. J. Thomson worked at which famous laboratory in Cambridge?An atom is electrically neutral because:The deflection of alpha particles from their straight path in the gold foil experiment is technically called:Sound of frequency above the human audible range is called:A force acts perpendicular to the displacement of an object. The work done by this force is:The SI unit of power is the: