Subject :NSO Class : Class 2
Subject :NSO Class : Class 5
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 5
Arti cut out sheets of the same size from four different materials. She arranged them in a straight line as shown.
She then made a crescent-shaped hole in sheet
W. She then shone torchlight on set-up and saw a
bright crescent-shaped patch of light on sheet
Y only. Select the option that correctly identifies
the materials of which sheets W, X, Y and Z are
made up of.
| W | X | Y | Z | |
| A | Metal | Clear plastic | Frosted glass | Cardboard |
| B | Cardboard | Frosted glass | Clear plastic | Metal |
| C | Cardboard | Clear plastic | Metal | Frosted glass |
| D | Frosted glass | Metal | Cardboard | Clear plastic |
i did c
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Subject :NSO Class : Class 8
Complete the passage using the suitable words given in option below.
A rough surface will offer a (i) frictional force than a smooth surface. The heavier the object, the (ii) will be the frictional force. Friction is a (iii) force.
| (i) | (ii) | (iii) | |
| A | Lower | Greater | Resistive |
| B | Greater | Lower | Contact |
| C | Greater | Greater | Contact |
| D | Lower | Lower | Resistive |
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Subject :NSO Class : Class 8
Ans 1:
Class : Class 8
it is not stating that it is going around a water like in the (C) option so (D) cannot be the right answer as it only includes air pollution, land pollution, noise pollution
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Subject :NSO Class : Class 2
