Related Questions

Consider the following segment : int d=4 float f= (1/flaot(d))*5; what will be the value for float variable f?
A 1.25
B 0.1
C 5
সি-ভাষার ধ্রুবক ঘোষণা করার নিয়ম হলো-i. Const float pi=3.1416ii. float pi= 3.1416ii. # define pi = 3.1416 নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও ili
সি-ভাষার ধ্রুবক ঘোষণা করার নিয়ম হলো- i. const float pi =3.1416; ii. float pi = 3.1416; iii. #define pi 3.1416 নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
The body will float if the force of buoyancy is __________ the weight of the liquid displaced.
A Equal to
B Less than
C More than
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 $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called
A Surface tension
B Compressibility
C Capillarity
D Viscosity
When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called
A Pascal’s law
B Archimedes’s principle
C Principle of flotation
D Bernoulli’s theorem
When a body is placed over a liquid, it will sink down if
A Gravitational force is equal to the up-thrust of the liquid
B Gravitational force is less than the up-thrust of the liquid
C Gravitational force is more than the up-thrust of the liquid
D None of the above
When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler.
A Law of conservation of energy
B Newton's third law of motion
C Law of Inertia
D Law of conservation of momentum
In case of a rotameter, the density of the float material is __________ that of the liquid it replaces.
A More than
B Less than
C Equal to
D Either A or B

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