The dimensional formula for impulse is:
1. \([MLT^{-2}]\)
2. \([MLT^{-1}]\)
3. \([ML^2T^{-1}]\)
4. \([M^2LT^{-1}]\)

Subtopic:  Dimensions |
 79%
From NCERT
PMT - 1991
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The dimensional formula for r.m.s. (root mean square) velocity is

(1) M0LT1

(2) M0L0T2

(3) M0L0T1

(4) MLT3

Subtopic:  Dimensions |
 77%
From NCERT
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The dimensional formula for Planck's constant (h) is 

(1) ML2T3

(2) ML2T2

(3) ML2T1

(4) ML2T2

Subtopic:  Dimensions |
 76%
From NCERT
PMT - 1987
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Out of the following, the only pair that does not have identical dimensions is 

(1) Angular momentum and Planck's constant

(2) Moment of inertia and moment of a force

(3) Work and torque

(4) Impulse and momentum

Subtopic:  Dimensions |
 70%
From NCERT
PMT - 1998
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The dimensional formula for impulse is same as the dimensional formula for 

(1) Momentum

(2) Force

(3) Rate of change of momentum

(4) Torque

Subtopic:  Dimensions |
 75%
From NCERT
PMT - 1982
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Which of the following is dimensionally correct

(1) Pressure = Energy per unit area

(2) Pressure = Energy per unit volume

(3) Pressure = Force per unit volume

(4) Pressure = Momentum per unit volume per unit time

Subtopic:  Dimensions |
 66%
From NCERT
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Planck's constant has the dimensions (unit) of 

(1) Energy

(2) Linear momentum

(3) Work

(4) Angular momentum

Subtopic:  Dimensions |
 69%
From NCERT
AIIMS - 1985
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The equation of state of some gases can be expressed as P+aV2(Vb)=RT. Here P is the pressure, V is the volume, T is the absolute temperature and a, b, R are constants. The dimensions of ‘a’ are 

(1) ML5T2

(2) ML1T2

(3) M0L3T0

(4) M0L6T0

Subtopic:  Dimensions |
 74%
From NCERT
PMT - 1991
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If V denotes the potential difference across the plates of a capacitor of capacitance C, the dimensions of CV2 are [This question includes concepts from 12th syllabus]

(1) Not expressible in MLT

(2) MLT2

(3) M2LT1

(4) ML2T2

Subtopic:  Dimensions |
 65%
From NCERT
PMT - 1982
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If L denotes the inductance of an inductor through which a current i is flowing, the dimensions of Li2 are  

(1) ML2T2

(2) Not expressible in MLT

(3) MLT2

(4) LT

Subtopic:  Dimensions |
 69%
From NCERT
PMT - 1982
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