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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.
2-Cryogenics Cryogenic is the science of producing and using very low temperature. The study of low temperature effects in biology and medicine is called cryobiology. Low tem
The minimum real charge on any particle which can exist is: (1)1.6x 10 -19 coulomb (2) 1.6x 10 -10 coulomb (3)4.8 x 10 -10 coulomb (4)Zero Ans: (1)1.6x 10 -19 c
Your car gets 34.7 mi/gal on a trip. How many kilometers/liter did it get?
In nuclear fusion two or more than two lighter nuclei join to form a single heavy nucleus. The volume of one molecule so formed is less than the sum of the masses of parent nuclei.
Determine the value of ‘a' for which the vector field is solenoidal.
different questions and their answers about elasticity
Give the graphical representation of the end on view of plane polarized light and unpolarized light.
Magnetic Susceptibility and Ferromagnetic Substances: Magnetic Susceptibility: The magnetic susceptibility (c) of a substance is defined as the ratio of the intensity of magn
give me full detail about not gate i.e its logic symbol, truth table etc
a rocket is projected upwards with a velocity of 490. find te time taken to reach the ground
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