Contents

Moon receding from the Earth with a speed of
a) 1.3×10-9 m/s    
b) 4.68×10-9 km/hr
c) 1.3×10-9 km/hr
d) both a & b

d

Speed of the Earth in orbit around Sun is……
a) 1.1×109 m/s                     
b) 1.1×105 km/hr
c) 1.1×10-9 km/hr
d) none

b

What is the speed of light in Vacuum?
a) 1.1×109 m/s                     
b) 
299,792,458 m/s
c) 299,792,458 km/hr        
d) 3×10km/hr

b

Velocity:


The displacement covered by a body in unit time is called………..
a) velocity                                           
b) speed
c) acceleration                    
d) none

a

Velocity is a………………..quantity.
a) scalar                                
b) non-physical
c) vector                              
d) both a & c

c