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

Compute the resistance of the filament, Q. Compute the resistance of the fi...

Q. Compute the resistance of the filament of a 100W, 220 V electric bulbs. Power P = V 2 /R Resistance R = V 2 /P = (220 X 220)/ 100 = 484 ohm.

#title, Ask questiA 1.10×10-2-kg bullet strikes a 0.300-kg block attached t...

Ask questiA 1.10×10-2-kg bullet strikes a 0.300-kg block attached to a fixed horizontal spring whose spring constant is 2100 N/m and sets it into oscillation with an amplitude of 1

Action and reaction in a bolt, Action and reaction in a bolt Step from ...

Action and reaction in a bolt Step from a free row boat to land and view that the boat moves in the opposite direction.

Top of a tower a stone, From top of a tower a stone is thrown up and it rea...

From top of a tower a stone is thrown up and it reaches the ground in time t1. A second stone is thrown down with the same speed and it reaches the ground in t2. A third stone is r

Curie-weiss law, Curie-Weiss law (P. Curie, P.-E. Weiss) A more genera...

Curie-Weiss law (P. Curie, P.-E. Weiss) A more general shape of Curie's law, that states that the susceptibility, khi, of an paramagnetic substance is associated to its thermo

Fundamental units of kelvin and mole, Kelvin : Kelvin is the fundamental un...

Kelvin : Kelvin is the fundamental unit of temperature. It has quantity of zero where the molecular activity of gases ceases. Mole : Mole is the fundamental unit of quantity of

Energy in Bungee Cord, gravitational potential energy = integral of force w...

gravitational potential energy = integral of force with respect to displacement. Find height to drop 59g egg so that it just misses touching ground.

Whomehole, What is whomehole and how it

What is whomehole and how it

What is the acceleration whereas the bike coasts to a stop, A cyclist rides...

A cyclist rides at a constant speed of 12.0 m/s for 1.20 min and then coasts to a stop with uniform acceleration 21.2 s later. If the total distance travelled is 1321 m, then w

Explain infrared waves, Infrared Waves: Infrared wave also known as hea...

Infrared Waves: Infrared wave also known as heat wave. These waves are radiation by hot body at dissimilar temperature.

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