Physics related questions and answers

DoThe Best
By DoThe Best October 6, 2015 12:39

1. Which one among the following radiations carries maximum energy?

A. gamma rays
B. x–rays
C. infra red rays
D. ultraviolet rays


2. Which one of the following remains constant while throwing a ball upward?

A. velocity
B. displacement
C. acceleration
D. kinectic energy


3. Which one of the following is the unit of activity of a radioactive source?

A. Siemens
B. Lux
C. Tesla
D. Becquerrel


4. Which one of the following common devices works on the basis of the principle of mutual induction?

B. Transformer
C. Photodiode
D. Tube light


5. What is the name of the nuclear reactor at trombay?

A. bhaba
B. venus
C. aryabhatta
D. apsara


6. Split ring commutators are used in which of the following

A. AC motor
B. AC Dynamo
C. DC Dynamo
D. All of the above


7. Which of the following can be made into a permanent magnet?

A. lead
B. soft iron
C. hard steel
D. none of these


8. Land and sea breezes are due to

A. conduction of heat
B. radiation of heat
C. convection of heat
D. conversion of heat


9. The period of revolution of a satellite close to

A. 200 sec
B. 400 sec
C. 500 sec
D. 5000 sec


10. Indian Scientist who received the Nobel Prize

A. S.Ramanujam
B. H.J.Bhabha
C. Sir J.C.Bose
D. Sir C.V.Raman


DoThe Best
By DoThe Best October 6, 2015 12:39
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