সমুদ্রপৃষ্ঠে, বায়ুমণ্ডলীয় চাপ 76 সেমি Hg। যদি বাতাসের চাপ প্রতি Hg এর 10 মিমি কমে যায়...

Brass scale of a Barometer gives correct reading at 0^(@)C . Coefficient of linear expansion of brass is 18 xx 10^(-6 xx @)C . If the barometer reads 76cm at 20^(@)C , the correct reading is (gamma_(Hg) = 18 xx 10^(-5 //@)C)

A candle is burnt in a beaker until it extinguishes itself. A sample of gaseous mixture in the beaker contains 6.08 xx 10^(20) molecules of N_(2), 0.76 xx 10^(20) molecules of O_(2) , and 0.50 xx 10^(20) molecules of CO_(2) . The total pressure is 734 mm of Hg. The partial pressure of O_(2) would be

The column of mercry in a barometer is 76 cm Hg. Calculate the atmospheric pressure if the density of mercury =13600kgm^(-3) (Take g=10ms^(-1)B )

The column of mercury in a barometer is 76 cm Hg. Calculate the atmosphere pressure I the density of mercury =13600kgm^(-3) (Take g=10ms^(-2) )

One cubic metre of hydrogen at 0^(@)C and 76cm and of Hg weighs 0.0896kg . The specific heat capacities of hydrogen at constant pressure volume are 3409 and 2411 cal per kg per kelvin, respectively. Calculate the value of J . ( g=9.81,ms^(-2) density of mercury =13.6xx10^(3) kg per cubic metre)