A. 1200 m
B. 0.33 km
C. 3.33 km
D. 33 km
A. east
B. west
C. northeast
D. southeast
A. an object existence
B. a subject existence
C. no existence
D. both subjective and objective existence
A. two
B. three
C. four
D. more than four
A. the full weight of the barrel comes into play when it is pulled
B. the rolling friction is much less than the sliding friction
C. more surface area of the barrel is in contact with the road when it is pulled
D. coal tar is a liquid and it flows in the barrel when it is rolled
A. 10-6m
B. 10-8m
C. 10-9m
D. 10-5m
A. a good conductor of heat but a bad conductor of electricity
B. a bad conductor of heat but a good conductor of electricity
C. a good conductor of heat as well as electricity
D. a bad conductor of heat as well as electricity
A. luminous heavenly bodies revolving around a star
B. non-luminous heavenly bodies
C. luminous heavenly bodies that twinkle
D. luminous heavenly bodies that do not twinkle
A. Marie Curie
B. Ernest Rutherfor
C. Henri Becquerel
D. Enrico Fermi
A. I, II and III
B. I and II
C. II and III
D. I and III