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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4

Ans 2:

Class : Class 3
d

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Subject :NSO    Class : Class 6

When Asha suspended four bars of different materials from a pole and brought the North pole of a bar magnet near part P and Q of each bar one by one as shown in figure, then observations she recorded are as follows:

Which of the following sets correctly represents metal bars I, II, III and IV?

Bar I Bar II Bar III Bar IV
A Magnet Stainless steel Bar Magnet Iron bar
B Magnet Iron bar Magnet Glass bar
C Stainless steel bar Magnet Iron bar Magnet
D Magnet Iron bar Glass bar Stainless steel bar


Ans 1:

Class : Class 6

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
c

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 3
error

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
The correct answer is d but they say it is worng

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
ANSWER IS C.

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

In column I, three identical lamps P, Q and R are arranged in different configurations, while in column II the information about brightness of lamps are mentioned. Match column I with column II and select the correct option from the given codes. (Neglect resistance of connecting wires)


A (i) → (A, C), (ii) → (A), (iii) → (B, C), (iv) → (C, D)
B (i) → (C, D), (ii) → (B), (iii) → (B, D), (iv) → (A, B)
C (i) → (A), (ii) → (C, D), (iii) → (B, C), (iv) → (B)
D (i) → (B, D), (ii) → (C), (iii) → (B, C), (iv) → (A)


Ans 1:

Class : Class 7
this is hard.....

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