Gk in English 60

( 1 ) Which of the following is the negative charge

(A ) X- ray
( B ) alpha ray
( C ) beta ray
( D ) gamma ray

( 2 ) emits radioactive substance

(A ) gamma ray
( B ) alpha ray
( C ) beta ray
( D ) All of the above

( 3 ) Hydrogen bomb is based

(A ) on nuclear fusion
( B ) on nuclear fission
( C ) the radioactive disintegration
( D ) None of the above

( 4 ) Which of the following in the construction of nuclear reactors is an essential

(A ) cobalt
( B ) Nickel
( C ) Jrconiam
( D ) tungsten

( 5 ) "Curie "is the unit of

(A ) heat
( B ) temperature
( C ) Radio Active Dharmita
( D ) energy

Answer
( 1 ) c
( 2 ) d
( 3 ) b
( 4 ) c
( 5 ) c