Answer Posted / vijay

Air is mainly Nitrogen which is having molecular wt. 28.
Ammonia only has M.W. less than this (17). So this one is
lighter than air

Which are the research centres of department of atomic energy?

1075

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Which is the largest comet?

1151

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Which is the first atomic submarine of india?

1181

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Which scientist made detailed study on novae?

1068

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Who was the first cosmonaut?

1009

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Describe the evolution of science and its impact on society

1027

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When did the most luminous nova appear?

1062

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exactly how does an RTD 3 wire or 4 wire device cancel out the resistance of the wires , opposed to a 2 wire RTD? Is it because you have resistors in parallel , or because something to do with the electronic circuit the RTD is connected to ?

2300

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When was the second and third experimental explosion conducted?

1069

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if appointed at aryabhatt school for how long should we expect you work with us

2053

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Let arr be an array of 20 integers. Write a program that first fills the array with up to 20 input values and then finds and displays both the subscript of the largest item in arr and the value of the largest item. • Use an IDE to develop and save your work

2259

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the basic approach to science was established by:

2678

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I am a student of class 12. PCMB group. I am not getting admission in any of the medical colleges. And I am not good at math. So what are the options available for me????

1613

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What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?

2170

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What are cosmic rays?

1011

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