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Which mode of propagation is used by short wave broadcast services having frequency range from a few MHz upto 30 MHz ? Explain diagrammatically how long distance communication can be achieved by this mode . Why is there an upper limit to frequency of waves used in this mode ?

The mode of propagation used by short wave broadcast services having a frequency range from a few 3 MH_z "up to 30" MH_z is

An agreement, which in fact is a contract, between the RBI and Banks for the sale and repurchase of Government securities and short term treasury bills at a future date and for which the RBI indicate the interest rate", is generally known as:

In this section each item consists of six sentences of a passage. find out the proper sequence of the four sentences and mark your response accordingly on Answer Sheet. S1: People in society need many goods and services in their everyday life including food, clothing, shelter, transport, etc. S6 : The teacher in the local sehool has the skills required to impart education to the students. P: A weaver may have some yarn, some cotton and other instruments required for weaving cloth. Q: A family farm may own a plot of land, some grains, farming implements, maybe a pair of bullocks and also the labour services of the family members. R: Every individual has some amount of the goods and services that one would like to use. S: In fact, the list of goods and services that any individual needs is so large that no individual in society, to begin with, has all the things one needs. The correct sequence should be

The mode of propagation used by short wave broadcast services is

The mode of propagation used by short wave broadcast services is

Mohit Gupta is working with yellow Security Services Ltd. He is also recruiting security guards for the comapany. The company provides security services in Delhi and Noida at short notice to various companies. The guards are recruited on temporary basis. the guards provided by this company are known for their honesty and punctuality. mohit gupta is well known in his village for providing employment to unskilled people. (a) Name the source of recruitment used by yellow security services Ltd. (b) State any one disadvantage of this source of recruitment. (c) Identify the need of Security Guards which is being fulfilled by the company as per Maslow's need hierachy.