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Chapter 17 - Atomic and Nuclear Physics - 4
1.
Match the column..........................................solar and sateller energy
a) alpha rays
b) boron rods
c) fusion reaction
d) radiation hazards
2.
Match the column..........................................use of radiations in greaer quantity
a) boron rods
b) 17.6 mew
c) radiation hazards
d) alpha rays
3.
Match the column..........................................spot on the left of photographic plate
a) alpha rays
b) boron rods
c) 17.6 mew
d) film badge and dosimeter
4.
Match the column..........................................nuclear reactor
a) film badge and dosimeter
b) boron rods
c) beta rays
d) 17.6 mew
5.
Match the column..........................................fusion reaction
a) 17.6 mew
b) film badge and dosimeter
c) beta rays
d) film badge and dosimeter
6.
Match the column..........................................intensity of radiations
a) beta rays
b) gamma rays
c) film badge and dosimeter
d) isotopes
7.
Match the column..........................................less ionizing power
a) isotopes
b) gamma rays
c) radio isotopes
d) beta rays
8.
Match the column..........................................same chemical properties
a) isotopes
b) radio isotopes
c) gamma rays
d) fusion reaction
9.
Match the column..........................................higher penetrating power
a) radio isotopes
b) fusion reaction
c) beta rays
d) gamma rays
10.
Match the column..........................................diagnose the internal disease without surgery
a) fusion reaction
b) radio isotopes
c) beta rays
d) one unit
11.
Match the column..........................................formation of two positron and three alpha rays
a) fusion reaction
b) beta rays
c) one unit
d) nucleons
12.
Match the column..........................................negative charge
a) beta rays
b) one unit
c) alpha, beta and gamma rays
d) nucleons
13.
Weight of proton or neutron is nearly equal to _________ kg.
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13.
Weight of proton or neutron is nearly equal to _________ kg.
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15.
Radioactivity was discovered by __________.
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16.
In the experiment of radioactivity , a small quantity of ____________ source was placed in a lead block .
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