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Chemistry - 9 Chapter - 3
Atomic Structure
Test - 6
1.
The rays, which bend toward positive pole, are called.
a) Beta rays
b) Gamma rays
c) Alpha rays
2.
______ rays are not effected by electric filed.
a) Y-rays
b) Beta rays
c) Gamma
d) Two answers are correct
3.
Alpha rays are made up of particles, which are ______ nuclei.
a) Potassium
b) Helium
c) Radium
4.
The speed of alpha rays is faster than light.
a) True
b) False
5.
Alpha rays cannot pass through a thick metal foil.
a) False
b) True
6.
The speed of alpha rays is _____ of speed of light.
a) 1/18th
b) 1/12th
c) 1/16th
d) 3 times
7.
Beta and Gamma rays travel with the speed of light.
a) True
b) False
8.
Beta rays have greater power to penetrate through metals then alpha rays.
a) False
b) True
9.
Gamma rays have the greater penetration power.
a) False
b) True
10.
Gamma rays do not carry any charge?
a) False
b) True
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