tv antenna problem

It is clear from this equation that if h is large, d will be large. This explains as to why the television broadcasts are made from tall antennas..

When free space is the communication channel, antennas radiate and receiver the signal. Theory shows that the antennas operate effective only when their dimensions are of the order of the magnitude of wavelength of the signal being transmitted...

Jeff saw a photograph of an antenna and it measured 9 meter in length. What would be the actual length of the antenna, if the scale is 0.3 meter : 4 meter? => 120 meters or 121 meters or 119 meters or None of the above..

In a survey, 75% of the population said they watch TV. Find the odds in favor of watching TV. => 1 : 3 or 4 : 1 or 3 : 1 or 3 : 4..

The price of a TV in the year 2002 was $450. In the year 2003, the price of the same TV increased by 15%. The price increased further in 2004 by 9%. Identify the expression that shows the price of the TV in the year 2004. => $[450 + 0.15 • 450] • [1.09] or $[..

Which graph can Enrique use to show his mother that he spends more time on homework than watching TV? => Bar graph or Neither circle graph nor bar graph or Circle graph or Both circle graph and bar graph..

The line plot shows the number of hours John spent for watching TV each day in a week. How many hours did he not watch TV on Wednesday? => 19 or 18 or 17 or 14..

The graph shows the number of hours Charles spent watching T.V. last week. How many hours he spent watching T.V. on Saturday? => 8 or 4 or 2 or 0..

John plans to study, watch TV and play football on a Sunday. In how many ways can he choose and arrange the activities? => 2 or 6 or 3 or 1..

Tommy plans to study, watch TV and play football on a Sunday. In how many ways can he choose and arrange the activities? => 3 or 2 or 6 or 1..