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USE OF LASERS

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

The term LASER is defined as ....

a)

Light Amplication of Stimulated Emission of Radiation

b)

Light Amplication of State Energy of Radiation

c)

Light Application of Stimulated Electromagnetic of Radiation

d)

Light Application of Stimulated Emission of Radiation

2.

The characteristics of LASER can be describe as below EXCEPT

a)

Monochromacity

b)

Highly coherence

c)

Wavelength

d)

Directionality

3.

Which are the following types of laser showing the same terms?

a)

Semiconductor laser

b)

Diod laser

c)

Gas Laser

d)

Solid state laser

4.

Which are the following stated the use of laser in medical laser ?

a)

Stitch up incisions after surgery

b)

Making a scalpel

c)

Conjunction with fiber optic

d)

All of the above

5.

What class of laser considered safe without the safety equipment ?

a)

Class 1

b)

Class 2

c)

Class 3B

d)

All of the above

6.

Choose the correct one regarding the position of eyes when handling laser

a)

Laser must be put below the eye level

b)

Align the laser beam with the power on

c)

Should not be fired unless it correctly aimed to the target area

d)

Direction of beam cannot be inadvertently altered

7.

You should close your eyes and and stay still when laser beam come through your eyes

a)

True

b)

False

8.

Which class that would emit visible light only ?

a)

Class 2

b)

Class 3R

c)

Class 3B

d)

Class 1

9.

What does it mean by interlocks?

a)

Hardware device

b)

Software device

c)

Radiation

d)

Wavelength

10.

Which of the following statement are correct about control measure ?

a)

Never direct at the beam

b)

Access into laser controlled area

c)

Can wear jewelry when handling the laser

d)

Protective eyewear is not required