Physics-
General
Easy
Question
A piece of iron of density and volume 100cm3 is totally immersed in water Calculate upthrust if
- 7.8 N
- 100 N
- 1 N
- N
The correct answer is: 1 N
Density of substance =
Density of water =
Volume of substance =
Volume of immersed substance=
g= acceleration due to gravity.
Thus,
upthrust =
=1N
Related Questions to study
physics-
A beaker containing a liquid of density ρ moves up with an acceleration a. The pressure due to liquid at a depth h below the free surface of liquid is..
A beaker containing a liquid of density ρ moves up with an acceleration a. The pressure due to liquid at a depth h below the free surface of liquid is..
physics-General
physics-
Pressure is isotropic means,
Pressure is isotropic means,
physics-General
physics-
Loss of weight of solid in water is...
Loss of weight of solid in water is...
physics-General
maths-
The rate of change of area of a square plate is equal to that of the rate of change of its perimeter. Then length of the side is
The rate of change of area of a square plate is equal to that of the rate of change of its perimeter. Then length of the side is
maths-General
maths-
If , then the initial velocity is
If , then the initial velocity is
maths-General
maths-
The curvesandcut each other at the common point at an angle
The curvesandcut each other at the common point at an angle
maths-General
maths-
The area of the triangle formed by the tangent to the curveat x=2 on it and the axes is
The area of the triangle formed by the tangent to the curveat x=2 on it and the axes is
maths-General
maths-
If the normal line at (1, -2) on the curveis ax - 5y + b = 0 then the values of a and b are
If the normal line at (1, -2) on the curveis ax - 5y + b = 0 then the values of a and b are
maths-General
maths-
If the curvepasses through the point (1,2) and the line y = x touches it at the origin, then the values of p,q and r are
If the curvepasses through the point (1,2) and the line y = x touches it at the origin, then the values of p,q and r are
maths-General
maths-
The curvecuts the x-axis at (0,0) at an angle
The curvecuts the x-axis at (0,0) at an angle
maths-General
maths-
The angle between x-axis and the tangent to the curveis
The angle between x-axis and the tangent to the curveis
maths-General
physics-
A particle of mass m moving horizontally with v0 strikes a smooth wedge of mass M, as shown in figure. After collision, the ball starts moving up the inclined face of the wedge and rises to a height h. When the particle has risen to a height h on the wedge, then choose the correct alternative(s)
A particle of mass m moving horizontally with v0 strikes a smooth wedge of mass M, as shown in figure. After collision, the ball starts moving up the inclined face of the wedge and rises to a height h. When the particle has risen to a height h on the wedge, then choose the correct alternative(s)
physics-General
physics-
In a one dimensional collision between two identical particles A and B, B is stationary and A has momentum p before impact. During impact, B gives impulse J to A
In a one dimensional collision between two identical particles A and B, B is stationary and A has momentum p before impact. During impact, B gives impulse J to A
physics-General
physics-
A ball of mass m collides elastically with an identical ball at rest with some impact parameter
A ball of mass m collides elastically with an identical ball at rest with some impact parameter
physics-General
physics-
A spring block system is placed on a rough horizontal floor. The block is pulled towards right to give spring some elongation and released
A spring block system is placed on a rough horizontal floor. The block is pulled towards right to give spring some elongation and released
physics-General