National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
you are right

Ans 2: (Master Answer)

Class : Class 1

A

The type of motion which repeats itself after equal interval of time , is called periodic motion.


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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
b is the correct answer

Ans 2:

Class : Class 7
b

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
B

Ans 2:

Class : Class 8
The volume of the stone is equal to the volume of the water increased in the measuring cylinder. The volume of the stone is calculated from the formula Volume =Mass/Density. In this case, the Mass = 12 g and Density = 3g cm^3 Volume = 12/3 = 4 cm^3 The actual volume of liquid in the measuring cylinder is 20cm^3 . So, the increase in volume will show a new reading of 20cm3+4cm3=24cm^3 hence...answer is (B)

Ans 3:

Class : Class 8
How the answer is (b)???

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 6

Which of the following statements are incorrect?
(i) A bag placed below the seat of a moving bus is in motion with respect to the floor of the bus.
(ii) While measuring length of an object using a metre scale, use the zero-mark even if the ends are worn out.
(iii) Blinking of eyes is an example of periodic motion.
(iv) If a body as a whole moves around in a circular path, the motion is known as revolution.

A(i), (ii) and (iv) only
B(i), (ii) and (iii) only
C(ii), (iii) and (iv) only
D(i), (iii) and (iv) only


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Subject :NSO    Class : Class 6

Nisha and Neha were playing together on a street where they accidentally collided with each other and fell down. After that, Neha started feeling pain in her elbow and could not bent it easily. Nisha also developed discomfort in one of her wrists and had difficulty in writing. They visited doctor who told them that their joints were injured. Identify their injured joints and select the correct option regarding them.

Nisha Neha
A Injured joint is the type of joint also present between metacarpal and carpal of thumb. Injured joint is the type of joint also present between skull and first vertebra of backbone.
B Injured joint is the type of joint also present between upper arm and forearm. Injured joint is the most freely movable joint of body.
C Injured joint is the type of joint also present between tarsal bones. Injured joint allows movement primarily in one plane.
D None of these


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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
who says that printer produces sound energy. laser printers dont make any sort of sound. and if you dont agree than see this, oven produces sound and not only that, but, almost all machines produce sound.

Ans 2:

Class : Class 6
answer is c

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