An air column 10cm in length is trapped into the sea end ...
An air column 10cm in length is trapped into the sea end of a capillary tube by a 15cm column of mercury with the tube held vertically as shown above. On inverting the tube the air column becomes 15cm long. The atmospheric pressure during the experiment is
90cm
76cm
75cm
60cm
50cm
Correct answer is B
No explanation has been provided for this answer.
The reason for laminating the soft iron core of a transformer is to? ...
In the microscope, the eyepiece lens merely acts as? ...
The amount of heat required to raise the temperature of a body is ...
In the diagram above, the values of V1 and V2 are respectively...