Dry hydrogen is trapped by pellet of mercury in a uniform...
Dry hydrogen is trapped by pellet of mercury in a uniform capillary tube closed at one end. If the length of the column of hydrogen at 27°C is 1.0m, at what temperature will the length be 1.20m?
22.5oC
32.4oC
77.0oC
87.0oC
360.0oC
Correct answer is D
A boy in a barber's shop sits between two parallel mirrors. The number of images observed by him...
The main difference between echo and reverberation is that ...
A slight loading of a tuning fork has the effect of ...
Which of the following factors will affect the velocity of sound? ...
When an atom loses or gains a charge, it becomes ...
Which of the following liquids has the highest surface tension? ...