What is viewed through an electron microscope?
1). Electrons and other elementary particles
2). Structure of bacteria and viruses
3). Inside of human stomach
4). Inside of the human eye
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1. A gap is left between two rails of a railway track to accommodate...... of the metal.
4. Clouds float in the atmosphere because of their
5. Alternating current can be measured by
7. The audio signals of TV are
8. Which of the following has the lowest frequency?
9. Superconductors are those elements
10. If there were no gravity, which of the following will not be there for a fluid?