Related Questions

What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero?
A Remains constant
B Becomes zero
C Increases exponentially
D None of the above
A snapshot measures 5/2 inches by 15/8 inches. It is to be enlarged so that the longer dimension will be 4 inches. What will be the length of the enlarged shorter dimension then?
A 2 : 1
B 4 : 3
C 1 : 2
D 4 :2
A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is
A n rpm
B $$\frac{{\text{n}}}{2}$$ rpm
C $$\frac{{\text{n}}}{4}$$ rpm
D 2n rpm
The ratio of linear stress to the linear strain is called
A Modulus of rigidity
B Modulus of elasticity
C Bulk modulus
D Poisson's ratio
The word 'linear' in linear programming is used to describe:
A relationship among two or more variables in a straight line
B relationship among two or more variable which are directly proportional
C relationship among two or more variables is linear
D all of the above
E None of the above
In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher
A Densities
B Melting point
C Tensile strength
D Hardness, rigidity & brittleness
The ratio of linear stress to linear strain is termed as the
A Modulus of elasticity
B Modulus of rigidity
C Bulk modulus
D None of these
The following particles move with same kinetic energy. Which of them has maximum momentum ?
A Electron
B Proton
C Deutron
D Alpha Particle
Which among the following has the same dimension as that of energy?
A Torque
B Linear momentum
C Moment of inertia
D Angular momentum
Which of the following has the same dimension as mass diffusivity?
A Momentum flux
B Kinematic viscosity
C Thermal diffusivity
D Both A & B

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