Precautions to be followed while taking measuring length.
i) Place the ruler along the length of the object. ii) If the zero mark is not clear use any other full mark of the scale iii) Correct position of the eye
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10
57m=_______________cm
5700cm
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5
The standard unit of length in SI system
Metre (m)
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10
2Km=______________m
2000m
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seesaw
Swap points!
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magnet
Take 25 points!
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gift
Win 20 points!
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banana
Go to last place!
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5
Name the unit of length, which you would like to use while expressing the distance between Delhi and Lucknow.
Kilometre (km).
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baam
Lose 20 points!
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magnet
Take 20 points!
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shark
Other team loses 20 points!
Okay!
lifesaver
Give 20 points!
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lifesaver
Give 25 points!
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rocket
Go to first place!
Okay!
shark
Other team loses 20 points!
Okay!
thief
Give points!
5
10
15
20
25
10
Object being at rest-Explain
An object is said to be at rest if it does not change its position with respect to its surroundings with time.
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10
Object in motion-Explain
An object is said to be in motion if the position changes with respect to it surrounding and time.
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10
Name any two non standard unit of measurement.
Handspan and Footspan
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20
Assertion A: Motion of moon around the earth is a circular motion. Reason R: In a circular motion, the distance of object from a fixed point remains the same. Options: A) Both A and R are true and R is the correct explanation of A. B) B
Correct Answer: A (Both A and R are correct and R is correct explanation of A.)
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10
Identify type of motion. A) Motion of mosquito B) String of a guitar C) Throwing a ball
A) Random Motion B) Oscillatory/Vibratory Motion C) Curvilinear Motion