121.  In acceleration, The dimensions for mass _____ for length _____ and for time ______

A. 0,1,–2

B. 1,0,–2

C. –2,0,1

D. –2,1,0

Answer : Option A

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122.  Dimensional formula for power is

A.

B.

C.

D.

Answer : Option B

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123.  Dimensional formula for calories is

A.

B.

C.

D.

Answer : Option C

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124.  Dimensional formula for thermal conductivity (k) is

A.

B.

C.

D.

Answer : Option D

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125.  Dimensional formula for Resistance (R) is

A.

B.

C.

D.

Answer : Option C

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126.  Dimensional formula for conductance is

A.

B.

C.

D.

Answer : Option D

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127.  Which physical quantity is represented by

A. Resistivity

B. Resistance

C. conductance

D. conductivity

Answer : Option A

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128.  Which physical quantity is represented by

A. Resistivity

B. Resistance

C. conductance

D. conductivity

Answer : Option D

Explanation :

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129.  Which physical quantity is represented by

A. Stress

B. Resistance

C. Electricfield

D. Potential Difference

Answer : Option C

Explanation :

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130.  The dimensional formula of plank’s constant is

A.

B.

C.

D.

Answer : Option B

Explanation :

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