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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
@#$%

Ans 2:

Class : Class 8
The sum of total mass of proton and neutron is called mass no. Of atom. Electron is not considered as it's mass is negligible

Ans 3:

Class : Class 8
Atomic mass is the sum of the number of photons and neutron of an atom For example - in carbon Proton = 6 and neutron = 6 So atomic mass of atom = 6+6 = 12u

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Can you tell the answer to this question

Ans 2:

Class : Class 5

Ans 3: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
d

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
b

Ans 2:

Class : Class 4
b.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
Even I agree with answer c

Ans 2:

Class : Class 6
how ans is D????

Ans 3:

Class : Class 6
How is it'd'? It is c as the eye is not even looking on point d

Ans 4:

Class : Class 7
The ans to this ques is not d because the image will be seen at point c

Ans 5:

Class : Class 6
the answer is surely c!!!!!!!

Ans 6:

Class : Class 7
as all my friends are agree with ans C I am also agree with that ans because the only point is in fig that 'c' from where we can see image 'o'

Ans 7:

Class : Class 6
yes ,its c !!!

Ans 8:

Class : Class 6
I agreed with all. Ans is C.

Ans 9:

Class : Class 6
its c noobs

Ans 10:

Class : Class 6
answer should be c

Ans 11:

Class : Class 4
It should be 'c' as the image of 'O' is seen on the mirror at 'c' and same concept is used in periscopes.

Ans 12:

Class : Class 3
i typed the answer as c because the same concept is followed in the submarine

Ans 13:

Class : Class 6
ANS is C!!!!!!!!!!!!!!!!!!

Ans 14:

Class : Class 8
Answer is C. The concept is followed in a periscope and the object is only seen on the mirror and not outside.

Ans 15:

Class : Class 6
C is the answer

Ans 16:

Class : Class 7
It should be c....

Ans 17:

Class : Class 8
I agree with Aarushi and Tanishtha.The image will be seen on the lower mirror.

Ans 18:

Class : Class 6
Answer should be C as that is the only point the eye is looking at.

Ans 19:

Class : Class 6
C

Ans 20:

Class : Class 6
It should be c as the eye can see from that point only.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
yes

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 5

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