Physics-SI Units
NEET Physics SI Units MCQ Question
Type: MCQ-numerical-Hard-Class 11
If the unit of mass is changed to 2 kg, the unit of length is changed to 3 m, and the unit of time is changed to 5 s, what is the magnitude of a calorie in terms of these new units?
A
0.168
B
0.56
C
0.336
D
68
Correct Answer
Option A
Detailed Explanation
Using the conversion formula for a calorie: 4.2 α –1 β –2 γ 2. Substituting α = 2, β = 3, γ = 5 gives 4.2 * (1/2) * (1/9) * 25 = 0.168.
Found an issue with this question?
Related Questions
More from
Which of the following equations for a physical quantity is dimensionally consistent?
Physical QuantitiesPhysics
A diagram shows a number represented as 0.0045060. How many significant figures does this number have?
Significant FiguresPhysics
Match Column-I with Column-II. Column-I Column-II (a) Surface area of a cube (i) 1.688 g/cm³ (b) Volume of a cube (ii) 373.7 m³ (...
Significant FiguresPhysics