Which among the following waves is used for communication by artificial satellites ?

Related Mcqs:

1. Communication satellites are in which orbit?

   A. Geosynchronous
   B. Semi synchronous
   C. Geostationary 
   D. None of these

   Submitted by: Mansoor Ahmed Suhag

2. Sound waves are _________ waves.

   A. Transverse
   B. Electromagnetic
   C. Longitudinal
   D. None of these

3. P Waves are also said to be __________ waves?

   A. Push-pull
   B. Side-side
   C. Up-down
   D. None of the above

   Submitted by: Rashid Mehmood

4. Which of the following waves have smallest velocity in vacuum?

   A. Ultraviolet
   B. Sound
   C. Infra-Red
   D. Micro

   Submitted by: Malik Asghar Hussain

5. When sound waves travel from air to water which of the following quantities remains unchanged?

   A. Speed
   B. Frequency
   C. Intensity
   D. Wavelength

   Submitted by: Rashid Mehmood

6. Which one of the following waves are used by the common TV remote control?

   A. Radio waves
   B. Lasers
   C. Infrared waves
   D. Ultrasonic waves

   Submitted by: Adeeb Hussain

7. The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________?

   A. Diatonic scale
   B. Fahrenheit Scale
   C. Richter scale
   D. Celsius Scale
   E. None of these

8. Name the branch of science which deals with the study of sound and sound waves?

   A. Aeronautics
   B. Acoustics
   C. Aerostatics
   D. Aetiology

   Submitted by: ABDUL HAYEE

9. Which waves are used in sonography?

   A. Ultrasonic waves
   B. Electromagnetic Waves
   C. Fundamentals of waves
   D. Transverse wave

   Submitted by: Rashid Mehmood

10. Earthquake waves travel faster in __________?

    A. Water
    B. Flexibl rock
    C. Air
    D. Soil

    Submitted by: G.M Zuhrani