National Science Olympiad Forum By SOF Olympiad Trainer - Page 814

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 4
sundar apratim waa chhan

Ans 2:

Class : Class 4
correct answer is A because i have checked on internet

Ans 3:

Class : Class 4
veryyyy niceee!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9
answer is B.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4

Ans 3:

Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
Answer: D

Solution ;
The boy likes Odd numbers, so 625 will be the answer, as other three numbers are Even.

Ans 2:

Class : Class 3
the boy likes odd and dislikes even numbers

Ans 3:

Class : Class 5
It seems the boy likes odd numbers and dislikes even numbers so he should like Option D as it is odd.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
And:D

Ans 2:

Class : Class 8
A

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 10
the answer is B

Ans 2:

Class : Class 7
I think plane mirrors can also do it to some extent but more prominent is concave

Ans 3:

Class : Class 6
Concave mirrors are used in solar cookers. as concave mirrors are converging, the are used to concentrate the sun's heat on the utensil.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 1
C is the correct answer. I teach Physics. The angle of incidence entering and exiting is the same due to the same medium.

Ans 2:

Class : Class 7
I THINK SO ANSWER IS C

Ans 3:

Class : Class 9
ANSWER a. Refraction of light and the direction of refraction depends upon the density of the object because it reduces the speed of light.the Flint glass is more denSer than water and the air is no too denSer so there will be no refraction in the caSe of air. Therefore light refracts in water and the glass. ANOTHER REASON!: Light travalS on a straight line .

Ans 4:

Class : Class 7
B IS THE CORRECTONE. BELIVE ME

Ans 5:

Class : Class 8
Its "c" because some of the light rays get refracted

Ans 6:

Class : Class 8
ITS OPTION "C" AS SOME OF THE LIGHT REFRACTS IN WATER AND AIR

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