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Subtract 0.2 J from 7.26 and express the...

Subtract 0.2 J from 7.26 and express the result with correct number of significant figures

Text Solution

Verified by Experts

Substracting is correct upto one palce of decimal, corresponding to the least number of decimal places.
`7.26-0.2=7.06=7.1J`
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DISHA PUBLICATION-CHAPTERWISE NUMERIC /INTEGER ANSWER QUESTIONS-CHAPTER 29 : (COMMUNICATION SYSTEMS)
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  6. A radar has a power of 1kW and is operating at a frequency of 10 GHz. ...

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  9. A TV transmission tower has a height of 140 m and the height of the re...

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  10. The modulation frequency of an AM radio station is 250 kHz, which is 1...

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  12. To double the covering range of a TV transimitter tower, its height sh...

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  14. In a line of sight radio communication, a distance of about 50 is Kept...

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  15. A message signal of frequency 10 kHz and peak voltage of 10 volts is u...

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