What is the escape velocity on Earth?

Related Mcqs:

1. Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the _______?

   A. Centripetal force due to the earth’s rotation
   B. Earth’s gravitational pull
   C. Pressure of the atmosphere
   D. Moon’s gravitational pull

   Submitted by: Rashid Mehmood

2. A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?

   A. 25 miles per sec
   B. 60 miles per sec
   C. 7 miles per sec
   D. 10 miles per sec
   E. None of these

3. A body can escape the gravitational pull of the earth if it is thrown up with a velocity of ________ miles/second ?

   A. 35
   B. 25
   C. 12
   D. 07

   Submitted by: Mansoor Ahmed Suhag

4. Pen and a home which will need more velocity to escape from the earth?

   A. pen needs less velocity
   B. home needs more velocity
   C. both need the same velocity
   D. none

   Submitted by: Syed Ahsan Ali Shah

5. A rocket needs the speed of _______ to escape from earth’s gravity?

   A. 22 miles per second
   B. 15 miles per second
   C. 12 miles per second
   D. 7 miles per second

   Submitted by: Mansoor Ahmed Suhag

6. The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids.

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

7. About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is?

   A. Oxygen
   B. Cabon Dioxide
   C. Silicon
   D. Clay

8. 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

9. The lowest region of the earth’s atmosphere comes between the earth and stratosphere. what is this region’s name?

   A. Ionosphere
   B. Troposphere 
   C. Stratosphere
   D. Mesosphere

   Submitted by: Ashfaque Ali Khoso

10. Clocks, which moves with the velocities comparable with the velocity of light, run ?

    A. fast
    B. slow
    C. equal to the velocity of light
    D. with zero velocity