Computer Science, asked by alka00767, 1 year ago

What is the use of Light pen?

Answers

Answered by Moumitaghosh4803

3

Answer:

the light pen usually used in crime depertment .

Answered by kalpanareddy96044

2

Answer:

light pen writes it colour very light but if you put light it will be visible only to us...

Explanation:

you can cheat in exam

you can transfer secrets

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