Question

Q.3. Fill in the blanks. (10)

1) Friction depends on the __________ of the surfaces.

2) A charged body _________ an uncharged body towards it.

3) Unwanted sound is called __________.

4) The passage of an electric current through a solution causes ________ effects.

5) The process of depositing a layer of any desired metal on another material by means

Of electricity is called _____________.

6) The power of an earthquake is expressed in terms of a magnitude on a scale called ______.

7) The angle between the normal and incident ray is called __________________.

8) The size of the pupil becomes __________ when you see in dim light.

9) Water which is suitable for drinking is called _____________.

10) The changes which occur at adolescence are controlled by __________.​

Answer 1

Answer:

1. both

2. electric current.

3. noise.

4. electric current effect.

5. earthing.

6. Richter scale.

7.regular reflection.

8. eye lens .

9. drinking water.

10. reproduction

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