A. 4.2 km S-1
B. 7.5 km S-1
C. 9.5 km S-1
D. 1.1 km S-1
Related Mcqs:
- 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 - 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 - The highest value of escape velocity in solar system is planet____________________?
A. Earth
B. Neptune
C. Jupiter
D. Moon - 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 - 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 - 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 - 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° - 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 - Light reaches the earth form sun in nearly____________________?
A. 15 minutes
B. 10 minutes
C. 8 minutes
D. 8 minutes 30 seconds - 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
