Subject :NSO Class : Class 6
Subject :NSO Class : Class 6
Ans 1: (Master Answer)
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Subject :NSO Class : Class 5
Ans 2: (Master Answer)
Class : Class 1
B
As we know, opposite poles of magnets attract each other. Then the possible combinations can be :
Either,
P - North, Q - South, R - North, S - South, T - North, U - South, V - North, W - South
Or,
P - South, Q - North, R - South, S - North, T - South, U - North, V - South, W - North
Lets say if Q is S - South. Then, the only possible option is (B).
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 6
Ans 2: (Master Answer)
Class : Class 1
C
Rubber do not control the flow of electric current .But it is an insulator of elctricity .Hence, wearing rubber gloves while handling the live wires protects us form elctric shock. .
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
Match column I with column II and select the correct option from the given codes.
| Column I | Column II | ||
|---|---|---|---|
| P. | Distance | (i) | m/s |
| Q. | Speed | (ii) | s |
| R. | Volume | (iii) | m |
| S. | Time period | (iv) | m3 |
| T. | Density (= mass ÷ volume) | (v) | kg/m3 |
AP-(i), Q-(ii), R-(iii), S-(iv), T-(v)
BP-(iv), Q-(iii), R-(ii), S-(v), T-(i)
CP-(iii), Q-(i), R-(iv), S-(ii), T-(v)
DP-(iii), Q-(i), R-(ii), S-(iv), T-(v)
Ans 1: (Master Answer)
Class : Class 1
C
For an object moving with constant speed , speed is given by the ratio of distance travelled to the time taken by it. Hence, its SI unit is m/s.
Volume of an object is obtained by multiplying area of cross section to its height .Hence, its SI unit is m^3.
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
