Q. Bhabha Atomic Research Centre(BARC) is located at
A. Colaba
B. Trombay
C. Malabar
D. Juhu
Q. Power reactor is located in Tamil Nadu at
A. Kalpakkam
B. Sriharikota
C. Tuticorn
D. Pudukottai
Q. Einstein got the Nobel Prize for his theory of
A. radio activity
B. relativity
C. polarisation
D. photo electric effect
Q. Television was discoved by
A. Bohr
B. J.L.Baird
C. Becquerrel
D. H.J.Bhaba
Q. An artificial satellite can be tracked very precisely from the earth by using
A. sonar
B. radar
C. zeeman effect
D. doppler effect
Q. Solar cells are made up of
A. germanium
B. helium
C. both silicon and germanium
D. silicon
Q. The colour of star is an indication of its
A. weight
B. size
C. temperature
D. distance from the earth
Q. Which one among the following radiations carries maximum energy?
A. gamma rays
B. x–rays
C. infra red rays
D. ultraviolet rays
Q. Which one of the following is the unit of activity of a radioactive source?
A. Siemens
B. Lux
C. Tesla
D. Becquerrel
Q. Which one of the following common devices works on the basis of the principle of mutual induction?
A. LED
B. Transformer
C. Photodiode
D. Tube light
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