Question

Consider the following statements.
$1$. Microwave ovens are used for cooking purposes.
$2$. Microwaves are used in radar system for aircraft navigation.
$3$. A radar using microwave can help in detecting the seed of tennis ball, cricket ball, automobile while in motion.
Which of the statements given are correct?

• A. $2$ and $3$
• B. $1$ and $2$
• C. $1$ and $3$
• D. $1,2$ and $3$

Answer 1

The correct option is D $1,2$ and $3$

Microwaves are used in heating food items, radar, speed calculation, etc.

So all the statements are correct.