A metal sheet of area 100cm(^2) was heated through 70°C. Calculate its new area if…
A metal sheet of area 100cm(^2) was heated through 70°C. Calculate its new area if the linear expansivity…
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A body is pulled through a distance of 500m by a force of 20N. If…
A body is pulled through a distance of 500m by a force of 20N. If the power developed…
The S.I unit of heat is
The S.I unit of heat is A. joule B. kelvin C. watt D. ampere Correct Answer: Option A…
A resultant force of magnitude 15N acts on a body of mass 250g. Calculate the…
A resultant force of magnitude 15N acts on a body of mass 250g. Calculate the magnitude of the…
A girl stands on a scale in a lift. If the reading on the scale…
A girl stands on a scale in a lift. If the reading on the scale is less than…
The tendency for a stationary body to continue to remain at rest when a force…
The tendency for a stationary body to continue to remain at rest when a force is applied to…
The tendency for a stationary body to continue to remain at rest when a force…
The tendency for a stationary body to continue to remain at rest when a force is applied to…
A simple pendulum makes 50 oscillations in one minute. Determine its period of oscillation
A simple pendulum makes 50 oscillations in one minute. Determine its period of oscillation A. 0.02s B. 0.83s…
When a body is slightly tilted, it is found that its centre of gravity is…
When a body is slightly tilted, it is found that its centre of gravity is slightly raised. What…
When a body is slightly tilted, it is found that its centre of gravity is…
When a body is slightly tilted, it is found that its centre of gravity is slightly raised. What…