Units and Dimensions – Exercise – 2

Units and Dimensions » Exercise – 2

51. Dimensional formula for Boltzmann’s constant is :

(a) M ¹ L ¹ T ^–2 K ^–1
(b) M ² L ¹ T ^–2 K ^–1
(c) M ¹ L ² T ^–2 K ^–1
(d) M ² L ² T ¹ K ^–2

52. The dimension for the universal gas constant is :

(a) M ¹ L ² T ^–2 θ ^–1
(b) M ² L ¹ T ^–2 θ ^–1
(c) M ¹ L ¹ T ^–1 θ ^–2
(d) M ¹ L ² T ^–1 θ ^–3

53. The unit of thermal conductivity is :

(a) J ^–1 m^–1 s ^–1 K ^–2
(b) J m s K ^–1
(c) J ² m s K ^–1
(d) J m ^–1 s ^–1 K ^–1

54. What is the dimensional formula of the ratio of linear momentum to angular momentum ?

(a) M ⁰ L ^–1 T ⁰
(b) M ¹ L  ¹ T ⁰
(c) M ⁰ L ¹ T ⁰
(d) M ⁰ L ¹ T ¹

55. Dimensional formula for electromotive force (EMF) ?

(a) M ² L ¹ T ^–1 K ^–3
(b) M ¹ L ² T ^–3 K ^–1
(c) M ¹ L ¹ T ^–3 K ^–1
(d) M ¹ L ² T ³ K ^–1

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