Related Questions

Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called
A Strain
B Stress
C Pressure
D Modulus of elasticity
If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium.
A Neutral
B Stable
C Unstable
D None of these
Whenever a force acts on a body and the body undergoes a displacement, then
A Work is said to be done
B Power is being transmitted
C Body has kinetic energy of translation
D None of these
If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in
A Neutral equilibrium
B Stable equilibrium
C Unstable equilibrium
D None of these
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as
A Centre of pressure
B Centre of gravity
C Centre of buoyancy
D Metacentre
An OR gate can be imagined as-
A Switches connected in series
B MOS transistor connected in series
C Swithches onnected in parallel
D Amplifier connected between two adder
Choose the correct underlined part of the following sentence which is incorrect. The plight  of patient undergoing an emergency operation when the lights suddenly go off can better be imagined than describe.
A plight
B undergoing
C go off
D imagined
An OR gate can be imagined as
A switches connected in series
B switches connected in parallel
C MOS transistors connected in series
D All of the above
E None of the above
If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant
A Volume
B Pressure
C Temperature
D Enthalpy

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