Question

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1) By the end of this month we will finish this work.

2) You are so late that the film start by the time you go to the cinema.

3) In 2030 he will be here for ten years.

4) She will be playing for five hours when I reach there.

5) They were living in this town for twenty years when the war broke out.

6) It is raining since 6 o’clock.

7) When we arrived the party was already begun.

8) The man who speaks to him speaks seven languages.

9) The teacher was very angry when he saw what the children did.

10) He was walking for five hours when I found him.

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Answer 1

Answer:

=-2f

V=?

1/u+1/v=1/f

1/-2f + 1/v = 1 /f

1/v= 1/f + 1/2f

V = 2f/3

Now, m=-v/u

=-2f/3*-2f

=1/3