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Subject :NSO    Class : Class 5

Which of these is true about the speed of sound through solids, liquids and gases?
           Solid                    Liquid            Gas
ASlow                     Faster          Fastest
BAverage speed    Fastest          Slowest
CSlowest                Fastest         Average speed
DFastest                 Slower         Slowest


explanation

Ans 1:

Class : Class 6
how atmosphere(the medium of sound we normally use) tell sound faster or in waterP.S it is showing ans d

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Read the given statements and select the correct option.
Statement 1 : Snake and crocodile are cold blooded animals.
Statement 2 : Snake and crocodile breathe through moist skin.

A Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.
C Statement 1 is correct but statement 2 is incorrect.
D Both statements 1 and 2 are incorrect.


Ans 1:

Class : Class 3
Through dry skin

Ans 2:

Class : Class 5
How do snakes and crocodiles breathe then?

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Pls send the correct answer and explanation.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Correct option is D.

Ans 2:

Class : Class 7

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Subject :NSO    Class : Class 5

Read the given statements and select the correct option.
Statement 1: Digestion and blood circulation are some voluntary actions of our body.
Statement 2: Voluntary actions are the actions which are not under human control.


A Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Both statements 1 and 2 are false.


need a clear expalanation

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 10
I think it should be 7GM^2/256R^2 G is constant. M will become 7M/8 due to mass removal .M2 will be M/8 . Distance is 2 R . So the product is equivalent to the above. But I don't know how it is not in answers

Ans 2:

Class : Class 7
I agree with Gh from Mahatma, Ghaziabad, options are not correctly provided in the question.

Ans 3:

Class : Class 9
this need more details as the question is not clear

Ans 4:

Class : Class 8
i think the above explanation is good and would be more accurate if shft of centre of mass is calculated

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Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
why doesn't anyone answer?

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