हिंदी

Demand Curve - Individual Demand Curve

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Topics

  • Introduction
  • Key Terms
  • Diagram Explanation
  • Real-Life Application
  • Key Point Summary
CISCE: Class 12

Introduction

The individual demand curve visually shows how much of a commodity a single consumer is willing to buy at different prices. It always slopes downwards from left to right, representing the law of demand: as the price decreases, the quantity demanded increases (and vice versa).

CISCE: Class 12

Key Terms

  • Demand Curve: Graphic representation of quantity demanded at various prices.
  • Law of Demand: Inverse (negative) relationship between price and quantity demanded.
  • Quantity Demanded: Number of units a consumer wants at a specific price.
CISCE: Class 12

Diagram Explanation

  • The vertical (Y) axis shows the price (in ₹).
  • The horizontal (X) axis shows the quantity demanded (in kgs).
  • As you move from point D (high price, low quantity) to the other D (low price, high quantity), the curve slopes downward, indicating an inverse relationship.
CISCE: Class 12

Real-Life Application

Imagine buying ice cream. At a high price, you may buy only one scoop. If the price drops, you might buy several scoops. This behaviour—buying more when prices fall—is shown on the demand curve.

Maharashtra State Board: Class 12
CISCE: Class 12

Key Points: Individual Demand Curve

  • The demand curve for an individual consumer slopes downward from left to right, demonstrating that lower prices lead to higher quantities demanded.​
  • Demand is affected by individual preferences, income, and prices of related goods (substitutes and complements).​
  • Only price changes cause movement along the demand curve; other factors cause the curve to shift.

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