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Radio waves and microwaves:
What are microwaves and radio waves?
Ans: Microwaves:
1. The wavelength ranges from 10μm to10m
2. Commonly produced by Electromagnetic oscillators of high frequency
3. Used in telemetry microwave ovens and satellite communication
Radio waves:
1. The wavelength ranges from 1m to about 100km
2. Produced when electrons are accelerated in a suitable electronic circuit.
3. Used in carrying messages to long distances and in radio astronomy.
Q. Write any three findings of binding energy curve. (i) The binding energy per nucleon arrive at a maximum of 8.8 MeV at A = 56 corresponding to the iron nucleus (26Fe56). Th
Who was the first person to show that all objects fall toward Earth with constant _________.
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