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In 1911 Ernest Rutherford who performed many experiments to explore radioactivity did an experiment in which he discovered that the atom must have a concentrated positive centre charge that contains most of the atom’s mass. He suggested that the nucleus contained a particle with a positive charge the proton .
Which of the following physical quantities is scalar quantity ?
What is the work done by a force when the angle θ is 90 degrees?
Pulsars are :
S.I unit of Inductance is
Which physical property is considered dimensionless?
Which physical property causes raindrops to form spherical shapes?
Sound of frogs can be heard from a long distance in a rainy season because
Who among the following is credited with the discovery of X-rays?
What phenomenon occurs when the angle of incidence exceeds the critical angle?
What conditions must be met for stationary waves to form?
