Which of the following propeties is not considered in choosing mercury as a thermomemetric liquid?
density
expansivity
conductivity
opacity
Correct answer is A
No explanation has been provided for this answer.
In the absence of gravitational force, the weight of the body is
its mass
zero
its density
its volume
Correct answer is B
No explanation has been provided for this answer.
The area under a velocity-time graph represents
final velocity attained
distance covered
acceleration
workdone
Correct answer is B
No explanation has been provided for this answer.
The property of a fluid that is used to determine its suitability as a lubricant is its
capillarity
viscosity
surface tension
relative density
Correct answer is B
No explanation has been provided for this answer.
is the same at all points in the liquid
decreases with depth
is the same in all directions at a given point
is equal to the atmospheric pressure
Correct answer is C
No explanation has been provided for this answer.