National Science Olympiad Forum By SOF Olympiad Trainer - Page 654

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7
A!!!

Ans 3:

Class : Class 7
A

Ans 4:

Class : Class 8
the answer may be a,but it seemed to me that they expanded equally so i clicked d

Ans 5:

Class : Class 8

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
which is the correct answer B or C

Ans 2:

Class : Class 7
A--- Sun B---Earth C--- Moon D---Umbra It is right order

Ans 3:

Class : Class 5
it is c as it is a lunar eclipse

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 2
A is right and it is RIGHT

Ans 2:

Class : Class 4

Ans 3:

Class : Class 4
how its d i got it a

Ans 4:

Class : Class 6
aaaaa is the ans

Ans 5:

Class : Class 7
Y is a jaw bone joint just like the elbow joint.

Ans 6:

Class : Class 6

Ans 7:

Class : Class 7
it is d

Ans 8:

Class : Class 6
It is option A

Ans 9:

Class : Class 5
D) Both [a] and [b] Solution : Joints are the places where two bones are joined together. 'X' represents joint between bones in the skull which shows no movement, Y-type joint (hinge joint) present between lower jaw and skull, is also present in elbow. It allows movement in only one direction. Cartilaginous joints are found between vertebrae that allow slight movement of bones unlike the 'X' type joint.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 7
It can be a or c

Ans 3:

Class : Class 8

Ans 4:

Class : Class 6
aaaaaaaaaaaaaaaaaaaaaaaaa

Ans 5:

Class : Class 7
Guys, it will be C as the answer statement of A is only half correct the light travels in a straight line, and due to the hole in the camera it inverts the image hence, the answer is c

Ans 6:

Class : Class 7
answer should be a or c

Ans 7:

Class : Class 6
3 trhing are truea c d

Ans 8:

Class : Class 8
Both A

Ans 9:

Class : Class 7
Both a and c are correct

Ans 10:

Class : Class 8

Ans 11:

Class : Class 6
aaaaaaaaaaaaaa

Ans 12:

Class : Class 8
a only noobs

Ans 13:

Class : Class 8

Ans 14:

Class : Class 8
No, only A is true

Ans 15:

Class : Class 8
not only a is true also b is true

Ans 16:

Class : Class 9
Ya Nishka you are right. C is the correct answer.

Ans 17:

Class : Class 7

Ans 18:

Class : Class 6
the ans can be both A and C

Ans 19:

Class : Class 3
In 'A', it only gives half the reason for why the image is inverted in a pin hole camera. I think that 'C' is correct as it is a correct statement.

Ans 20:

Class : Class 9
Answer can be A or C

Ans 21:

Class : Class 6
c

Ans 22:

Class : Class 7

Ans 23:

Class : Class 8
sorry I meant c

Ans 24:

Class : Class 6
both a

Ans 25:

Class : Class 6
as written in lakhmir singh the answer should be (C)

Ans 26:

Class : Class 8

Ans 27:

Class : Class 6
the answer can be both a and c. scientifically both are correct

Ans 28:

Class : Class 10
a and c is correct

Ans 29:

Class : Class 7
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Ans 30:

Class : Class 7

Ans 31:

Class : Class 8

Ans 32:

Class : Class 8

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 9
Note,Tone 2 is the answer so, option is D

Ans 2:

Class : Class 8

Ans 3:

Class : Class 6
the words are Note,Tone,To,On,No and Ten 6 is the answer so, option is D

Ans 4:

Class : Class 8

Ans 5:

Class : Class 7
note and tone can be made

Ans 6:

Class : Class 2

Ans 7:

Class : Class 8

Ans 8:

Class : Class 8
note

Ans 9:

Class : Class 6

Ans 10:

Class : Class 5
c

Ans 11:

Class : Class 10
Thanks Harshit

Ans 12:

Class : Class 6

Ans 13:

Class : Class 9
Ten on no to are words that can be formed

Ans 14:

Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
Hey there! None of the options are correct.

Ans 2:

Class : Class 8
Pellagra

Ans 3: (Master Answer)

Class : Class 1
scurvy, a deficiency of vitamin C. Beriberi is a disease caused by a vitamin B-1 deficiency Pellagra is a disease caused by low levels of niacin, also known as vitamin B-3 Rickets is caused by deficiency of Vitamin D Hence no answer is correct

Ans 4: (Master Answer)

Class : Class 1
scurvy, a deficiency of vitamin C. Beriberi is a disease caused by a vitamin B-1 deficiency Pellagra is a disease caused by low levels of niacin, also known as vitamin B-3 Rickets is caused by deficiency of Vitamin D Hence no answer is correct

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 10
Dude it should be 35 degree as angle of incidence = angle of reflection the solution is wrong

Ans 2:

Class : Class 9
It is stupid answer explanation

Ans 3:

Class : Class 6

Ans 4:

Class : Class 8
Law of reflection:angle of incidence= angle of reflection This formula is only used when the angles are measured from the normal to the ray and not from the ray to the mirror. In this diagram we see that the angle is measured from the ray to the mirrot .The normal measures 90° so we need to subtract 90° from 35° to get the angle of incidence which is 55° . We now that angle of incidence= Angle of reflection hence the answer will be 55°

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