If x=at+bt2, where x is the distance travelled by the body in kilometres while t is the time in seconds, then the units of b are

1. km/s

2. kms

3. km/s2

4. kms2

Subtopic:  Dimensions |
 83%
Level 1: 80%+
PMT - 1993
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Given the equation \(\left(P+\frac{a}{V^2}\right)(V-b)=\text {constant}\). The units of \(a\) will be: (where \(P\) is pressure and \(V\) is volume)
1. \(\text{dyne} \times \text{cm}^5\)
2. \(\text{dyne} \times \text{cm}^4\)
3. \(\text{dyne} / \text{cm}^3\)
4. \(\text{dyne} / \text{cm}^2\)

Subtopic:  Dimensions |
 61%
Level 2: 60%+
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Which is not a unit of electric field

1. NC1

2. Vm1

3. JC1

4. JC1m1

Subtopic:  Dimensions |
 53%
Level 3: 35%-60%
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Faraday is the unit of

1. Charge

2. emf

3. Mass

4. Energy

Subtopic:  Dimensions |
 68%
Level 2: 60%+
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Unit of surface tension is

1. Nm1

2. Nm2

3. N2m1

4. Nm3

Subtopic:  Dimensions |
 73%
Level 2: 60%+
PMT - 2004
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Dimensions of one or more pairs are same. Identify the pairs

1. Torque and work

2. Angular momentum and work

3. Energy and Young's modulus

4. Year and wavelength

Subtopic:  Dimensions |
 75%
Level 2: 60%+
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The frequency of vibration f of a mass m suspended from a spring of spring constant K is given by a relation of this type f=CmxKy; where C is a dimensionless quantity. The value of x and y are 

1. x=12,y=12

2. x=12,y=12

3. x=12,y=12

4. x=12,y=12

Subtopic:  Dimensions |
 61%
Level 2: 60%+
PMT - 1990
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The quantities A and B are related by the relation, m = A/B, where m is the linear density and A is the force. The dimensions of B are of

1. Pressure

2. Work

3. Latent heat

4. None of the above

Subtopic:  Dimensions |
Level 3: 35%-60%
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An athletic coach told his team that muscle times speed equals power. What dimensions does he view for muscle?

1. MLT2

2. ML2T2

3. MLT2

4. L

Subtopic:  Dimensions |
 65%
Level 2: 60%+
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Dimensions of strain are:

1. MLT1

2. ML2T1

3. MLT2

4. M0L0T0

Subtopic:  Dimensions |
 85%
Level 1: 80%+
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