Which device uses ultrasonic waves for getting images of internal organs of human body?
• Sound waves are longitudinal mechanical waves and frequency can be defined as the number of wave cycles happening in one sec. • Ultrasonic waves or Ultrasound waves: The sound frequency above 20,000Hz (upper audible limit of human hearing) is known as ultrasonic waves. Humans cannot detect it too. • Examples: Bat produce Ultrasonic waves.
How is S related to W?
Which of the following statements is true?
What is the position of W with respect to V?
Who is preparing for UPSC?
What is the position of P with respect to the person who paid Rs. 550?
What is the position of F with respect to H?
If D is related to N, C is related to O, in the same way Y is related to which of the following?
If L sits second to the left of D then how many seats are between L and X when counted from the right of X?
Looney likes which of the watches?
How many persons are sitting between O and N when counted from the left of O?
