The volume of a given mass of gas at 27oC and 800 mmHg is 76cm2. Calculate its volume at s.t.p
100.0 cm3
72.8 cm3
60.0 cm3
36.4 cm3
Correct answer is B
\(V_2 = \frac{P_1V_1T_2}{P_2T_1} = \frac{800 \times 76 \times 273}{760 \times 300}\)
= 72.8cm3
Highly polished silvery surfaces are
poor absorbers and poor emitters of radiation
poor absorbers and good emitters of radiation
good absorbers and poor emitters of radiation
good absorbers and good emitters of radiation
Correct answer is B
No explanation has been provided for this answer.
i and ii only
ii and iii only
i and iii only
i, ii and iii
Correct answer is A
No explanation has been provided for this answer.
Which of the following types of thermometer is used for the calibration of other thermometers?
liqud-in-glass thermometer
constant volume gas thermometer
optical pyrometer
thermocouple
Correct answer is B
No explanation has been provided for this answer.
The velocity ratio of an inclined plane
increases with increase in the angle of inclination
increases with decrease in the angle of inclination
decreases with decrease in the angle of inclination
is independent of the angle of inclination
Correct answer is A
No explanation has been provided for this answer.