Units and Measurements Test

Result

Units and Measurements Test - 71

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Weekly Quiz Competition

Question 1
4 / -1

If the velocity of light (c), gravitational constant (G) and Planck\'s constant (h) are chosen as fundamental units, then the dimensions of mass in new system is

A

B

C

D

Solution
Question 2
4 / -1

Identify the pair whose dimensions are equal

A
Torque and work

B
Stress and energy

C
Force and Stress

D
Force and work
Question 3
4 / -1

The dimensions of pressure is equal to

A
Force per unit volume

B
Energy per unit volume

C
Force

D
Energy

Solution
Question 4
4 / -1

Which of the two have same dimensions?

A
Force and strain

B
Force and stress

C
Angular velocity and frequency

D
Energy and strain

Solution
Question 5
4 / -1

An object is moving through the liquid. The viscous damping force acting on it is proportional to the velocity. Then, dimension of constant of proportionality is

A

B

C

D

Solution
Question 6
4 / -1

Which of the following quantities is dimensionless?

A
Gravitational constant

B
Planck's constant

C
Power of a convex lens

D
None of these

Solution
Question 7
4 / -1

The dimensional formula for Boltzmann\'s constant is

A

B

C

D

Solution
Question 8
4 / -1

The dimension of K in the equation W = 1/2 Kx² is

A

B

C

D

Solution
Question 9
4 / -1

The physical quantities not having same dimensions are

A

B
Torque ans work

C
Momentum and Planck's constant

D
Stress and Young's modulus

Solution
Question 10
4 / -1

Frequency is the function of density (ρ), length (a) and surface tension (T). Then its value is

A

B

C

D
None of these

Solution