Question
Tungsten is used for the manufacture of the filament of
an electric bulb, because βSolution
Tungsten is used because it has the highest melting point of all the metallic elements. It melts at 3410 degrees Celsius. When currentpassesthroughthefilamentitheatsitup. Whenthefilamentreachesacertaintemperature itstartstogiveofflight,that'showwegetalight bulb. The first successful light bulb filaments were made of carbon(fromcarbonizedpaper or bamboo).
3β4913+Β 3β4.913 +Β 3β0.004913 = ?
(64/25)?Β ΓΒ (125/512) ? - 1 Β = 5/8
(1.9)Β -2.5Β = ?
Which among the following is the greatest?
296, 372, 460, 548
Evaluate:
[1 / (3 + β5)] + [1 / (3 β β5)]
If 3(p - q) = 27 and 3(p + q) = 243, then p is equal to:
(1.69)Β -1.5Β = ?
If β60 = 7.7 find the value of
(0.64)3/2 = ?
The value of ‘x’ in the given below equation is.
0.5 Μ + 0.7 Μ + 0.9 Μ + 0.3 Μ = x
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