Practice Deducing Relation among the Physical Quantities - 1.5.2 | 1. UNITS AND MEASUREMENT | CBSE 11 Physics - Part 1
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1.5.2 - Deducing Relation among the Physical Quantities

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the formula for the period of a pendulum derived using dimensional analysis?

πŸ’‘ Hint: Think about how length and gravity relate to the motion.

Question 2

Easy

What does a dimensionless constant represent?

πŸ’‘ Hint: Consider examples like Ο€ in geometric formulas.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is dimensional analysis primarily used for?

  • To calculate exact measurements
  • To derive relationships among physical quantities
  • To find numerical solutions

πŸ’‘ Hint: Remember, it's about relationships and not direct calculations.

Question 2

True or False: A dimensional analysis can tell you the exact numerical value of a constant.

πŸ’‘ Hint: Consider whether this method actually computes numbers.

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Challenge Problems

Push your limits with challenges.

Question 1

Derive an expression for the time it takes for a bouncing ball to reach the ground when dropped from a height h. Consider only gravitational force.

πŸ’‘ Hint: Examine the dimensions on both sides of the equations.

Question 2

Consider the pressure exerted by a gas in a container of volume V, temperature T, and number of molecules N. Use dimensional analysis to find a relationship between pressure and other quantities.

πŸ’‘ Hint: Identify which quantities significantly influence the pressure.

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