Units and Dimensions – 1 – 7

31. In the SI system, the unit of temperature is :

(a) degree centigrade
(b) kelvin
(c) degree celsius
(d) degree fahrenheit

ANSWER

EXPLANATION

32. Which one of the following have same dimensions?

(a) Torque and force
(b) Potential energy and force
(c) Torque and potential energy
(d) Planck’s constant and linear momentum

ANSWER

EXPLANATION

33. Which of the following does not posses the same dimensions as that of pressure?

(a) Stress
(b) Bulk modulus
(c) Thrust
(d) Energy density 

ANSWER

EXPLANATION

34. Which of the following is a dimensional constant?

(a) Poission’s ratio
(b) Refractive index
(c) Relative density
(d) Gravitational constant 

ANSWER

EXPLANATION

35. Which one of the following is not the dimensionless quantity?

(a) Planck’s constant
(b) Dielectric constant
(c) Solid angle
(d) Strain

ANSWER

EXPLANATION

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