Question

Try shining a flashlight through plastic wrap, wax paper and tin foil.
Fill in the sentences below to show what you observed.
Wax paper is
Plastic wrap is
Tin foil is​​

Answer 1

Answer:

2.the time taken by the racing car to cover the same distance will be different for different car based on the amount of electricity it is consuming

Explanation:

3.in case of the racing car the electromagnetic wave is used for the transmission of the signal. There is a receiver that it receives the electromagnetic wave for the function of the transmission to its final circuit

4.electromagnetic wave consists of both electric and magnetic field. However the direction of the electric field is at right angle to that of magnetic field. The frequency of the electromagnetic waves can be varied by changing the characteristics of the source

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write application of computer in the field of science and technology ..

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