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Question (11)

QN0034703

What are the dimensions of in the relation , where is the force, is the distance and is time?

(A)
(B)
(C)
(D)

Correct Answer: B

Explanation:

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Question (12)

QN0034704

A physical quantity depends on quantities and as follows : , where and are constants. Which of the following do not have the same dimensions:

(A)
and
(B)
and
(C)
and
(D)
and

Correct Answer: D

Explanation:

(d) Trigonometric functions are dimensionless.

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Question (13)

QN0034705

Which of the following equations is dimensionally incorrect?
Where time, height, surface tension, angle, density, radius, acceleration due to gravity, volume, pressure, work done, permittivity, electric field, current density, length, torque

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

(a) (i) Volumetric flow rate (Poiseuille's law)

(ii)

(iii)

LHS

(iv) .

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Question (14)

QN0034706

If force , length and time are assumed to be fundamental units; then the dimensional formula of the mass will be

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

(a) Let

Substituting the dimensions of

and and comparing both side, we get

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Question (11)

What are the dimensions of in the relation , where is the force, is the distance and is time?

Explanation:

Link:

Question (12)

A physical quantity depends on quantities and as follows : , where and are constants. Which of the following do not have the same dimensions:

Explanation:

Link:

Question (13)

Which of the following equations is dimensionally incorrect?
Where time, height, surface tension, angle, density, radius, acceleration due to gravity, volume, pressure, work done, permittivity, electric field, current density, length, torque

Explanation:

Link:

Question (14)

If force , length and time are assumed to be fundamental units; then the dimensional formula of the mass will be

Explanation:

Link:

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Question (11)

What are the dimensions of in the relation , where is the force, is the distance and is time?

Explanation:

Link:

Question (12)

A physical quantity depends on quantities and as follows : , where and are constants. Which of the following do not have the same dimensions:

Explanation:

Link:

Question (13)

Which of the following equations is dimensionally incorrect?Where time, height, surface tension, angle, density, radius, acceleration due to gravity, volume, pressure, work done, permittivity, electric field, current density, length, torque

Explanation:

Link:

Question (14)

If force , length and time are assumed to be fundamental units; then the dimensional formula of the mass will be

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY

Which of the following equations is dimensionally incorrect?
Where time, height, surface tension, angle, density, radius, acceleration due to gravity, volume, pressure, work done, permittivity, electric field, current density, length, torque