1
Q
Types of firearm and projectiles used in them
A
- Shotguns
- Lead shots/pellets - Rifled weapons
- Bullets
2
Q
Destructive power of a bullet is due to?
A
Velocity
3
Q
Wounds and angles
A
Circular wound - bullet entered at 90°
Oval wound - bullet entered at acute angle
4
Q
Ranges in rifled gun
A
- Direct contact - Point blank
- Range of flame - Close range
- Beyond range of flame but range of gunpowder - Near range
- Beyond range of gunpowder - Distant range
5
Q
Components of black gun powder
A
- Potassium nitrate - 75%
- Charcoal - 15%
- Sulfur - 10%
6
Q
Components of smokeless gun powder
A
- Single base - Nitrocellulose
- Double base - Nitrocellulose + Nitroglycerine
- Triple base - Nitrocellulose + Nitroglycerine + Nitroguanidine
7
Q
Shape of wound in point blank shot?
A
Stellate
8
Q
What is seen in case of close contact shot?
A
Burning + singeing of hair + blackening + tattooing
9
Q
What is seen in case of near range shot?
A
Blackening or tattooing
10
Q
What is seen in case of distang range shot?
A
None
11
Q
Ranges in shot gun and signs
A
- Direct contact - Contact range
- Close range - <1m
- All signs - Near range - 1-2m
- Entry wound
- Rat hole appearance - Intermediate range - 2-4m
- Dispersion starts - Distant range - >4m
- Max dispersion
