Which of the following is caused by the occurrence of a normal shock in the diverging section of a convergent divergent nozzle?
1. Velocity jump 2. Pressure jump
3. Velocity drop 4. Pressure drop
Select the correct answer using the codes given below:
(a) 1only (b) 1 and 2
(c) 2 and 3 (d) 1 and 4