Long distance radio broadcasts use short-wave bands, Physics

Assignment Help:

Give reasons for the following

(i) Long distance radio broadcasts use short-wave bands.

(ii) The small ozone layer on top of the stratosphere is crucial for human survival.

(iii) Satellites are used for long distance TV transmission.

 


Related Discussions:- Long distance radio broadcasts use short-wave bands

Illustrate what is a positron, Illustrate what is a positron? Answer:-...

Illustrate what is a positron? Answer:- A positron is a positively charged electron and it's an anti-electron - antimatter! The positron has a charge of +1 just the opposi

What is the equation of paths in equilateral triangle, Three small snails ...

Three small snails are each at a vertex of an equilateral triangle of side 60 cm. The ?rst sets out towards the second, the second towards the third and the third towards the ?rst,

What is the accuracy in the determined value of g, The length of a simple p...

The length of a simple pendulum is about 100cm known to have a accuracy of 1mm.Its period of oscillation is 2s determined by measuring the time for 100oscillations using a clock of

What are diamagnetic substances, a)      Orbital movement of electrons b...

a)      Orbital movement of electrons b)      On the source of orbital motion of electrons c)       These are repelled in an external magnetic field i.e. have a tendency to g

How is a galvanometer converted into an ammeter, Define the growth and deca...

Define the growth and decay of current in an inductance, resistance circuit. How the growth and decay are affected with different values of inductance discuss? How is a galvano

Explain printing paper industry, Printing Paper Industry: Synchronous m...

Printing Paper Industry: Synchronous motors are used in grinders. DC drives are used for pumping pulp and refining it.

Bridgmann stock bargee technique, It is suitable for growing semi-conductiv...

It is suitable for growing semi-conductively alloys like gallium arsenide. A typical arrangement is furnished with an induction heater that provides a controllable temperature grad

Determine joules of heat if energy dissipated by resistor, The potential di...

The potential difference across a 4 ohm resistor is 20 volts.  Assuming that all of the energy dissipated by this resistor is in the form of heat, how many joules of heat are radia

Can light is made to move/change along a side emitting optic, Can light is ...

Can light is made to move or change along a side emitting optics? Along with roped or braided multicore fiber and a particular process at the common end optics can be made to c

What is a linear charge density, What is a linear charge density? Ans...

What is a linear charge density? Answer: Note that the respond In the case of a distribution of charge in which all the charge is on a line it is the total amount of char

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd