The length of mercury thread when it is at 0°C, 100&d...
The length of mercury thread when it is at 0°C, 100°C and at an unknown temperature θ is 25mm, 225mm and 175mm respectively. The value of θ is
85.0oC
80.0oC
75.0oC
70.0oC
Correct answer is C
175−25225−25=x−0100−0
150200=x100
x=150×100200
= 75°C
the ray which causes gas molecules to glow is known as ...
In the hydraulic press, the force F applied is related to the diameter d of the cylinder by ...
An electrical device has 50 turns in its primary coil and 20 turns in the secondary coil. The ...
Mica is used in electrical appliances such as electric iron because mica is ...