1:   SI unit of mechanical equivalent of heat is
Options:
  1. J cal
  2. J/cal
  3. Cal. erg
  4. erg/cal

Answer: Option 2

Explanation:

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2:   The unit of reactance is
Options:
  1. mho
  2. ohm
  3. Ampere
  4. none of these

Answer: Option 2

Explanation:

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3:   The dimension of stress is same as that of
Options:
  1. force
  2. torque
  3. pressure
  4. all the above

Answer: Option 3

Explanation:

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4:   The unit of Planck's constant is
Options:
  1. Joule
  2. Joule / sec
  3. Joule X second
  4. none of these

Answer: Option 3

Explanation:

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5:   Which of the following is a dimensionless quantity
Options:
  1. Gravitational constant
  2. Planck's constant
  3. Magnification of convex lens
  4. none of these

Answer: Option 3

Explanation:

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6:   The dimensions of Planck's constant are similar to
Options:
  1. linear momentum
  2. angular momentum
  3. energy
  4. none of these

Answer: Option 2

Explanation:

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7:   If L and R are inductance and resistance respectively, then which of the following will have dimensions of frequency
Options:
  1. RL
  2. R/L
  3. L/R
  4. LR2

Answer: Option 1

Explanation:

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8:   Which of the following pairs have unequal dimension
Options:
  1. angular momentum and Planck's constant
  2. moment of inertia and torque
  3. work and torque
  4. none of these

Answer: Option 2

Explanation:

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9:   The unit of gas constant in S.I. system is
Options:
  1. calorie / degree Celsius
  2. Joule . mol
  3. Joul / K mol
  4. none of these

Answer: Option 3

Explanation:

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10:   Temperature can be represented as a derived unit in terms of which of the following quantities
Options:
  1. length and mass
  2. mass and time
  3. both the above
  4. none of these

Answer: Option 4

Explanation:

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