Communication satellites are in which orbit?

Related Mcqs:

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

   A. Micro waves
   B. Radio waves
   C. A. M.
   D. Infra-red waves

   Submitted by: Abid Hussain

2. The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called ___________?

   A. Aphelion
   B. Perihelion
   C. Perigee
   D. Apogee
   E. None of these

3. How long does it take for the moon to orbit the earth once?

   A. 26.3 days
   B. 27.3 days
   C. 28.3 days
   D. 30.3 days

   Submitted by: Ch.Naeem Kamboh

4. An active asteroid is discovered near ________ Orbit for the first time in billion years.

   A. Saturn
   B. Mars
   C. Neptune
   D. Jupiter

   Submitted by: Rashid Mehmood

5. Most asteroids orbit the sun in a region called the asteroid belt between?

   A. Mars and Jupiter
   B. Jupiter and Saturn
   C. Mercury and Neptune
   D. Venus and Uranus

   Submitted by: Muhammad Abdullah

6. When in the part of its orbit closest to the Sun, Pluto has an atmosphere of nitrogen and methane similar to Triton’s, but what happens when it is farther from the Sun ?

   A. These gases are not present
   B. These gases are like plasma
   C. These gases are frozen 
   D. These gases are volatile

   Submitted by: Muhammad Abdullah

7. Which of the following atmospheric layers help in radio communication?

   A. Exosphere
   B. Ionosphere
   C. Troposphere
   D. Stratosphere
   E. Ozone layer

8. German Silver is an alloy of___________?

   A. Zn + Ni
   B. Cu + Zn
   C. Cu + Ni
   D. Cu + Sn
   E. None of these

9. Which of the following have maximum calorific value?

   A. Carbohydrates
   B. Fats
   C. Proteins
   D. Vitamins

10. A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be _________?

    A. – 2O°C
    B. – 10°C
    C. + 10°C
    D. + 20°C