Question

In the set up given above the focal length of the concave mirror is 4 cm. The marks on the scale on which the screen be placed to obtain a sharp image will be a) at 8 cm b) at 2 cm c) at 6 cm d) at 1 cm​

Answer 1

Answer:

TA-- Ch-8 , MM:10

Q1. What is a computer ethics? (2)

Q2. Explain computer crime?

(2)

Q3. Explain any 3 form of software piracy? (3)

Q4. Explain computer security categories? (3)

Answer 2

Answer:

Where is the set up ?

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