Physics MCQs

852 MCQs  (Page 59 of 86)

The relation between horse power and watt is_________________?
A. 1 hp = 546 watts
B. 1 hp = 746 watts
C. 1 hp = 1000 watts
D. 1 hp = 946 watts
A field in which the work done in a moving a body along closed path is zero is called________________?
A. Electric field
B. Conservative field
C. Electromagnetic field
D. Gravitational field
When arrow is released form its bow, its energy is transformed from _____________________?
A. Heat energy to k.e
B. Elastic p.e to k.e
C. Elemical energy to elastic p.e
D. K.e to elastic p.e.
The dimension of power is_______________?
A. [ml2t-3]
B. [ml2t-2]
C. [ml2t3]
D. None of these