1. When a beam of alpha particles was fired at a thin gold film, some of the particles
were considerably deflected. This experiment shows that;
A. Alpha particles are very light
B. Electrons in the gold nucleus attract alpha particles
C. A gold nucleus is concentrated in a small volume
D. Electrons in the gold nucleus attract alpha particle
2. A small electric lamp when placed at the focal point of a converging lens will
produce.
A. Parallel beam of light
B. Converging beam of light
C. Diffuse beam of light
D. Diverging beam of light
3. The property which distinguishes longitudinal waves from transverse waves is;
A. The wave length
B. The Velocity
C. The ability to be refracted
D. The relative directions of oscillation and propagation
4. When you step from a roaring boat, the boat moves in the opposite direction with;
A. Greater force C. An equal force
B. Less force D. No force
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