Subject :NSO Class : Class 8
Subject :NSO Class : Class 5
Ans 4:
Class : Class 6
Of the three mediums, sound waves travel the slowest through gases, faster through liquids, and fastest through solids. Sound waves need a medium to pass through. Liquid molecules are not packed as tightly as solids, and gases are very loosely packed. The spacing of the molecules enables sound to travel much faster through a solid than a liquid or a gas. Sound travels about four times faster and farther in water than it does in air. That means the right answer is Option D.i am the smartest guy in sofi have got once international rank 1in level 2
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 3
Which of the following could be X, Y and Z?
X | Y | Z | |
A | Ostrich | Duck | Kiwi |
B | Emu | Goose | Ostrich |
C | Penguin | Duck | Emu |
D | Kiwi | Swan | Penguin |
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Subject :NSO Class : Class 5
The given set-up shows separation of impurities from water. Select the correct option for figure.
Process | P | Q | |
A | Distillation | Water + Salt | Pure water |
B | Evaporation | Water + Mud | Mud |
C | Filtration | Water + Salt | Pure water |
D | Sublimation | Water + Sugar | Water |
options in P and Q should be interchanged/
Ans 3:
Class : Class 1
Yes. Even I think that sof here has made a mistake . P and Q should be interchanged . I am reporting this as an error
Ans 6:
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
Which of the following representation of the comet around the sun is correct?
A
B
C
D
please explain
Ans 2:
Ans 3:
Class : Class 9
In the explanation it is given that option b is wrong. Then how does the OPTION B become the right one ?
Ans 5:
Class : Class 10
why does it say b is wrong(and c is correct) in the solution and that b is the correct answer?Isn't it C?
Ans 9:
Class : Class 8
in the solution it says that option b is wrong then it says that that the correct option is option b please explain
Ans 13:
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 3