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Subject :NSO    Class : Class 3

Q can hear the sound made by P in the shortest time, when the medium is a ___________.

A Brick wall
B Water
C Air
D Vacuum


where is Q and P, picture is missing

Ans 1:

Class : Class 3
Answer is B as sound travels faster in water

Ans 2:

Class : Class 8

Ans 3:

Class : Class 6
The correct answer is A.

Ans 4:

Class : Class 2

Ans 5:

Class : Class 5

Ans 6:

Class : Class 5
The correct answer is A part

Ans 7:

Class : Class 6
See the answer solution carefully.

Ans 8:

Class : Class 5

Ans 9:

Class : Class 7
answer is B or C as from brick wall sound can't be heard also from vacuumsound can't be heard

Ans 10:

Class : Class 5

Ans 11:

Class : Class 7
YES NISHANT

Ans 12:

Class : Class 7

Ans 13:

Class : Class 3
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Ans 14:

Class : Class 3
d

Ans 15:

Class : Class 5
The answer is C

Ans 16:

Class : Class 5

Ans 17:

Class : Class 3

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