PHYSICS -  KEY ANSWERS

Qn.No

A1

A2

A3

A4

B1

B2

B3

B4

C1

C2

C3

C4

D1

D2

D3

D4

1

2

4

1

3

4

2

3

1

2

4

1

3

4

2

3

1

2

3

1

4

2

3

1

4

2

1

3

2

4

2

4

1

3

3

1

3

2

4

4

2

3

1

3

1

4

2

3

1

4

2

4

2

4

1

3

1

3

2

4

2

4

1

3

3

1

4

2

5

4

2

3

1

3

1

4

2

2

4

1

3

4

2

3

1

6

4

2

3

1

3

1

4

2

1

3

2

4

4

2

3

1

7

2

4

1

3

1

3

2

4

3

1

4

2

3

1

4

2

8

3

1

4

2

1

3

2

4

2

4

1

3

4

2

3

1

9

3

1

4

2

3

1

4

2

1

3

2

4

1

3

2

4

10

4

2

3

1

4

2

3

1

3

1

4

2

3

1

4

2

11

2

4

1

3

1

3

2

4

2

4

1

3

2

4

1

3

12

1

3

2

4

3

1

4

2

3

1

4

2

1

3

2

4

13

4

2

3

1

2

4

1

3

1

3

2

4

3

1

4

2

14

2

4

1

3

1

3

2

4

2

4

1

3

2

4

1

3

15

1

3

2

4

3

1

4

2

4

2

3

1

2

4

1

3

16

1

3

2

4

2

4

1

3

4

2

3

1

2

4

1

3

17

3

1

4

2

1

3

2

4

3

1

4

2

1

3

2

4

18

2

4

1

3

3

1

4

2

4

2

3

1

4

2

3

1

19

1

3

2

4

2

4

1

3

1

3

2

4

2

4

1

3

20

3

1

4

2

2

4

1

3

3

1

4

2

1

3

2

4

21

3

1

4

2

4

2

3

1

3

1

4

2

4

2

3

1

22

1

3

2

4

2

4

1

3

1

3

2

4

2

4

1

3

23

1

3

2

4

3

1

4

2

1

3

2

4

1

3

2

4

24

3

1

4

2

3

1

4

2

3

1

4

2

3

1

4

2

25

4

2

3

1

4

2

3

1

4

2

3

1

4

2

3

1

26

2

4

1

3

4

2

3

1

2

4

1

3

2

4

1

3

27

1

3

2

4

2

4

1

3

1

3

2

4

3

1

4

2

28

3

1

4

2

1

3

2

4

4

2

3

1

1

3

2

4

29

2

4

1

3

3

1

4

2

2

4

1

3

2

4

1

3

30

2

4

1

3

4

2

3

1

1

3

2

4

4

2

3

1

31

4

2

3

1

2

4

1

3

4

2

3

1

1

3

2

4

32

3

1

4

2

3

1

4

2

2

4

1

3

3

1

4

2

33

4

2

3

1

1

3

2

4

1

3

2

4

2

4

1

3

34

1

3

2

4

2

4

1

3

3

1

4

2

1

3

2

4

35

3

1

4

2

4

2

3

1

4

2

3

1

3

1

4

2

36

4

2

3

1

2

4

1

3

4

2

3

1

3

1

4

2

37

2

4

1

3

1

3

2

4

2

4

1

3

1

3

2

4

38

1

3

2

4

4

2

3

1

3

1

4

2

1

3

2

4

39

3

1

4

2

2

4

1

3

3

1

4

2

3

1

4

2

40

4

2

3

1

1

3

2

4

4

2

3

1

4

2

3

1

41

       

4

2

3

1

2

4

1

3

3

1

4

2

42

4

2

3

1

1

3

2

4

1

3

2

4

3

1

4

2

43

2

4

1

3

4

2

3

1

1

3

2

4

3

1

4

2

44

3

1

4

2

2

4

1

3

3

1

4

2

3

1

4

2

45

4

2

3

1

2

4

1

3

4

2

3

1

1

3

2

4

46

4

2

3

1

3

1

4

2

4

2

3

1

     

47

1

3

2

4

3

1

4

2

1

3

2

4

4

2

3

1

48

4

2

3

1

3

1

4

2

4

2

3

1

2

4

1

3

49

2

4

1

3

3

1

4

2

2

4

1

3

3

1

4

2

50

2

4

1

3

1

3

2

4

2

4

1

3

4

2

3

1

51

3

1

4

2

2

4

1

3

       

2

4

1

3

52

3

1

4

2

1

3

2

4

4

2

3

1

1

3

2

4

53

3

1

4

2

1

3

2

4

2

4

1

3

1

3

2

4

54

3

1

4

2

3

1

4

2

3

1

4

2

3

1

4

2

55

1

3

2

4

4

2

3

1

4

2

3

1

4

2

3

1

56

2

4

1

3

       

3

1

4

2

4

2

3

1

57

1

3

2

4

4

2

3

1

3

1

4

2

1

3

2

4

58

1

3

2

4

2

4

1

3

3

1

4

2

4

2

3

1

59

3

1

4

2

3

1

4

2

3

1

4

2

2

4

1

3

60

4

2

3

1

4

2

3

1

1

3

2

4

2

4

1

3

 

CET – 2002
NOTE IN RESPECT OF ERRONEOUS QUESTION

SUBJECT : PHYSICS

Question

A projectile is moving at 20 ms-1 at its highest point, where it breaks into two equal parts due to an internal explosion.  One part moves vertically up at 30 ms-1 with respect to the ground.  Then the other part will move at …… 

This questions is considered ambiguous.  Hence, one mark is awarded to all the candidates in respect of the above question.