Consider the following statement1. Microwaves are used in radar system for air craft navigation2. Microwave ovens are used for cooking purposes3. A radar using microwave can help in detecting the speed of tennis ball, cricket ball, automobile while in motion.Which of these statements are correct?

Consider the following statement1. Microwaves are used in radar system

1.	Consider the following statement 1. Microwaves are used in radar system for air craft navigation 2. Microwave ovens are used for cooking purposes 3. A radar using microwave can help in detecting the speed of tennis ball, cricket ball, automobile while in motion. Which of these statements are correct?
A.	1 and 2
B.	2 and 3
C.	1 and 3
D.	1, 2 and 3
Answer» E.