The escape velocity form the earth surface in km S-1 is____________________?

Related Mcqs:

1. The escape velocity of a body in gravitational field of earth is independent of__________________?

   A. its mass
   B. the angle at which it is thrown
   C. both its mass and the angle at which it is thrown
   D. gravitational field of earth

2. If moon radius is 1600 km and g on its surface is 1.6 ms-2 then the escape velocity on the moon is ___________________?

   A. 1600 ms-1
   B. 50.6 ms-1
   C. 71.6 ms-1
   D. 2263ms-1

3. The highest value of escape velocity in solar system is planet____________________?

   A. Earth
   B. Neptune
   C. Jupiter
   D. Moon

4. The relation between the escape velocity V esc and orbital speed Vo is given by________________?

   A. V esc = 1/2Vo
   B. V esc = -2 Vo
   C. V esc = Vo
   D. V esc = 2Vo

5. The velocity of sound in air would become double than its velocity at 0°C at temperature ?

   A. 313°C
   B. 586°C
   C. 819°C
   D. 1172°C

6. The velocity of sound in air would become double than its velocity at 0°C at temperature________________?

   A. 313°C
   B. 586°C
   C. 819°C
   D. 1172°C

7. hen a body moves in a circle, the angle between its linear velocity and angular velocity is always_______________?

   WA. 180°
   B. 0°
   C. 90°
   D. 45°

8. Which phenomena can be applied to estimate the velocity of star with respect to earth ___________________?

   A. Dopplers effect
   B. Interference of waves
   C. Beats phenomena
   D. All of these

9. Light reaches the earth form sun in nearly____________________?

   A. 15 minutes
   B. 10 minutes
   C. 8 minutes
   D. 8 minutes 30 seconds

10. According to Einstein light travels form one place to another in the form of ________________?

    A. waves
    B. particles
    C. photons
    D. it was not his discovery