In which layer of atmosphere does commercial aircrafts usually fly? - PakMcqs

Related Mcqs:

1. Ozone layer prevents ______________ radiation from entering the atmosphere?

   A. Infra-red B. Ultraviolet C. X-rays D. Gamma rays E. None of these...

2. Second layer of Earth’s atmosphere is__________?

   A. Stratosphere B. Mesosphere C. Troposphere D. Thermosphere Submitted by: Rehana Mallah...

3. what is the height of The atmosphere layer mesosphere?

   A. 85 km B. 50 km C. 40 km D. 10 km Submitted by: Rehana Mallah...

4. Which layer of the atmosphere reflects radio waves back to the earth’s surface?

   A. Troposphere B. Stratosphere C. Ozone layer D. Ionosphere Submitted by: Aamir Hussain Laghari...

5. Which layer of the atmosphere lies close to the earth?

   A. Stratosphere B. Mesosphere C. Troposphere D. Thermosphere Submitted by: Ali Mallah...

6. __________ is the lowest layer of the atmosphere.

   A. Stratosphere B. Mesosphere C. Troposphere D. Thermosphere Submitted by: Muhammad Abdullah...

7. Bats can also fly in dark because they are capable of taking the help of _________?

   A. Ultraviolet Waves B. Ultrasonic Waves C. Electromagnetic Waves D. Special Retina...

8. A bird that can fly backwards?

   A. Bat B. Humming Bird C. Crimson Sun Bird D. Cardinal Bird Submitted by: Mansoor Ahmed Suhag...

9. ___________ is a mammal who fly?

   A. Ostrich B. Bat C. Peacock D. None of these Submitted by: Mohsin Ali...

10. The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________?

    A. Conduction of heat upward from a hot surface B. Convection from a hot surface C. Absorption of infrared energy that has been radiated from the surface D. Heat energy from the earth’s interior Submitted by: Mansoor Ul Haque...