Question

IC
B. Fill in the blanks:
1. A longer string will produce a sound of___
pitch.
2. The rate of evaporation increases on____the temperature.
3. A convex mirror never produces a___
images.
4. The_____charges are produced only by rubbing two insulators or non
conductors.
5. A concave mirror produces a virtual image only when the object is placed____
6. A sound that contains a single frequency is called as _____​

Answer 1

1. low

2.rising

3.real

4.negative

5. upright

6. tone

Explanation:

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Answer 2

Explanation:

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