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
The velocities of light in air and glass are 3.0 x108ms−1 and 1.8 ×10\(^8...
Which of the following electromagnetic waves has the highest frequency? ...
When two waves are superimposed on each other, the following occurrences are possible, except ...
The depolarising agent in a Leclanche cell is? ...
Which of the following factors does not affect the electric resistance of wire? ...
A guitar string is 75cm long. the wavelength of its fundamental note is ...
Which of the following materials is a good insulator? ...
A car starts from rest and covers a distance of 40 m in 10 s. Calculate the magnitude of i...