Practice Dimensional Formulae And Dimensional Equations (1.4)

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9 questions

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6 sample questions

Question 1.
What is the dimensional formula for acceleration?
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Think about how velocity changes over time.
Question 2.
Is mass density dependent on time?
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Consider how density is calculated.
3Question 3.
What is the dimensional formula for speed?
- [M⁰ L T⁻¹]
- [M⁰ L² T⁻²]
- [M L T⁻¹]
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Remember the relationship between distance and time.
4Question 4.
True or False: The dimensional equation of volume is [V] = [M L³].
- True
- False
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Think about the base quantities in the formula.
Question 5.
If the dimensional formula of energy is [M L² T⁻²], show how it can be derived from the dimensional formula of force.
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Recall the relationship between work and force.
Question 6.
Evaluate if the expression for mass density, [ρ] = [M L⁻³ T⁰], correctly reflects the units for a cube of side 'a'. What would it look like?
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Think about how density is calculated from mass and volume.

5 more questions in this section. Enroll free to practise them all.