Difference between change in supply and change in quantity supplied with diagram

"Change in Quantity Supplied" means change in supply due to change in quantity price of the good.

Diagrammatically, it implies movement along the Supply Curve. When the producer moves from A to B, the rise in quantity of the good from OQ1 to OQ2 is on account of rise in price from OP1 to OP2.

(Answer based on downward movement is also correct)

"Change in Supply'' means change in supply due to change in any factor other than the own price of the good. 

Dagrimmatically, it means shift of supply curve when producer moves from A to B, the price remains unchanged at OP while the Supply Curve shift from S1 to S2. when the producer shift from S1 to S2  the supply fall OQ1 to OQ2.

(Answer based on shift to the right ii also correct)

Detailed Answer:

… a core concept in Economic Analysis

Click for MRU video

Concept description

In his MRU lesson, Alex Tabarrok (reference below and video to right) underlines the crucial distinction between a change in supply (a shift in the supply curve caused by one of the supply curve shifters) and a change in the quantity supplied (a movement along the same supply curve caused by a change in the price due to a change in demand).

This is illustrated in the figure. In the left graph the supply increases as a result of the shift in the supply curve. In the right graph the quantity supplied increases because increased demand (a shift of the black line to the right) has increased the equilibrium price for the same supply curve.

See http://www.mruniversity.com/node/179639, accessed 20 April 2016:

1. When supply falls, what happens to quantity demanded in equilibrium?
   1. Quantity demanded increases
   2. Quantity demanded decreases
   3. A change in supply has no effect on quantity demanded
2. If oil executives read in the newspaper that massive new oil supplies have been discovered under the Pacific Ocean but will likely only be useful in 10 years, what is likely to happen to the supply of oil today?
   1. The supply of oil will rise today
   2. The supply of oil will fall today
   3. There will be no change in the supply of oil
3. If oil executives read in the newspaper that new solar-power technologies have been discovered but will likely only become useful in 10 years, what is the likely equilibrium impact on the price and quantity of oil today?
   1. The price of oil will increase, the quantity of oil will decrease
   2. The price of oil will decrease, the quantity of oil will increase
   3. The price and quantity of oil will decrease
   4. The price and quantity of oil will increase
4. If we learn today about promising future energy sources, today’s price of energy will _______ and today’s quantity of energy will __________. 
   1. rise, fall
   2. fall, rise
   3. rise, rise

Source

Alex Tabarrok, Supply and Demand Terminology, Marginal Revolution University, at http://www.mruniversity.com/courses/principles-economics-microeconomics/supply-demand-definition, accessed 20 April 2016.

Atlas topic and subject

Supply, Demand, and Equilibrium (core topic) in Economic Analysis.

Page created by: Ian Clark, last modified on 20 April 2016.

Image: Minute 3:09 of MRU Video, at http://www.mruniversity.com/courses/principles-economics-microeconomics/supply-demand-definition, accessed 20 April 2016.

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