Answer:
The demand curve will look like a straight line .
Explanation:
Perfect competition is that in which there are large number of buyers and large number of sellers of a commodity and no individual sellers or buyer can control the prices. If the seller try to influence the price then they will loss their buyers as there are many other seller also exist in the market.
Under perfect competition , the firm produce homogeneous product. Both buyers and sellers have full knowledge of the market.
The curve under perfect competition is indicated by horizontal . It shows that a firm can sell any quantity of a product at the prevailing price . And no quantity if they influence the price.
The figure under shows the curve:
