Units and Measurements Test

Result

Units and Measurements Test - 70

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Weekly Quiz Competition

Question 1
4 / -1

If the speed of light (c), acceleration die to gravity (g) and pressure (p) are taken as the fundamental quantities, then the dimension of gravitational constant is

A

B

C

D

Solution
Question 2
4 / -1

A
Resistivity

B
Conductivity

C
Resistannce

D
None of these

Solution
Question 3
4 / -1

If energy (E), velocity (v) and force (F) be taken as fundamental quantity, then what are the dimensions of mass?

A

B

C

D

Solution
Question 4
4 / -1

Dimensions of luminous flux are

A

B

C

D
Question 5
4 / -1

A physical quantity x depends on quantity y and z as follows: x = Ay + BtanCz, where A, B and C are constants. Which of the following don not have the same dimensions?

A
x and B

B
C and z^–1

C
y and B/A

D
x and A

Solution
Question 6
4 / -1

Out of the following which pair of quantities do not have same dimensions?

A
Planck's constant and angular momentum

B
Work and energy

C
Pressure and Young's modulus

D
Torque and moment of inertia

Solution
Question 7
4 / -1

Identify the pair which has different dimensions

A
Planck's constant and angular momentum

B
Impulse and linear momentum

C
Angular momentum and frequency

D
Pressure and Young's modulus

Solution
Question 8
4 / -1

Which of the following groups have different dimensions?

A
Potential difference, EMF, voltage

B
Pressure, stress, young's modulus

C
Heat, energy, work done

D
Dipole moment, electric flux, electric field
Question 9
4 / -1

Which of the following units denotes the dimensions ML²/Q², where Q denotes the electric charge

A
Henry (H)

B
H/m²

C
Weber (Wb)

D
Wb/m²

Solution
Question 10
4 / -1

If L, C and R demote then inductance, capacitance and resistance respectively, the dimensional formula for C²LR is

A

B

C

D

Solution