# IMAGING AND SIGNALLING

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- Created by: melissa12345
- Created on: 05-04-14 20:17

## Other questions in this quiz

## 2. what is the minimum rate of sampling?

- 2 X frequency
- 1/2 frequency
- frequency
- 4 X frequency

## 3. A boat takes 6 seconds to rise and fall. The difference in height between the boat at its lowest and highest point is 1.2m and wave pass it at 3ms-1. how long are the waves?

- 7.2
- 18
- 3.6
- 2

## 4. what is the equation for power?

- lambda X f
- 1/f
- 1/lambda
- c/f

## 5. A spectrum has frequencies varying from 22Hz to 48Hz. what is the bandwidth?

- 26Hz
- 44Hz
- 80Hz
- -26Hz

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