General Knowledge - Physics


1.  What is the name of the nuclear reactor at trombay?
A. bhaba
B. venus
C. aryabhatta
D. apsara

2.  Split ring commutators are used in which of the following
A. AC motor
B. AC Dynamo
C. DC Dynamo
D. All of the above

3.  Which of the following can be made into a permanent magnet?
A. lead
B. soft iron
C. hard steel
D. none of these

4.  Land and sea breezes are due to
A. conduction of heat
B. radiation of heat
C. convection of heat
D. conversion of heat

5.  The period of revolution of a satellite close to
A. 200 sec
B. 400 sec
C. 500 sec
D. 5000 sec

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