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FY SemI U2

Total questions: 10

Worksheet time: 3mins

Name
Class
Date
1.

1. Mean Range R = R0 is the distance at which number of particles ‘N’ is___________

a)

N0

b)

N0/3

c)

N0/4

d)

N0/2

2.

2. The energy loss per unit length is called _______________

a)

Specific Energy loss

b)

Stopping power

c)

Absorbing power

d)

Emissive power

3.

3. The small variation of the ranges of the emitted particle from radioactive nucleus is known as__________. 

a)

Excitation

b)

Mean range

c)

Straggling

d)

Ionization

4.

4. The energy loss rate (-dE/dx) is called the __________________of the absorbing medium

a)

Stopping power

b)

Power loss

c)

Intensity loss

d)

Potential Energy

5.

5. Identify the Geiger’s rule for radioactive decay

a)

V03 α R2

b)

V03 α R3

c)

V02 α R2

d)

V03 α R

6.

6. In equation, dN/dx = -μN(x), μ is called ________________

a)

Emission Coefficient

b)

Absorbing coefficient

c)

Decay coefficient

d)

Intensity coeffcient

7.

7. Voltage range for Ionization Chamber is ______________

a)

100V-200V

b)

10V – 200V

c)

100V-1000V

d)

10V-100V

8.

8. Q- value of the Nuclear Reaction is given by ___________________

a)

EY - Ey   - Ex

b)

EY + Ey - Ex

c)

2EY - 3Ey - Ex

d)

2EY + Ey - Ex

9.

9. Minimum Energy of the projectile for the reaction to take place is called ___________.

a)

Threshold Energy

b)

Binding Energy

c)

Kinetic Energy

d)

Potential Energy

10.

10. Energy released in the nuclear fission of 92U235is ___________

a)

100MeV

b)

200MeV

c)

300MeV

d)

400MeV