Olympiad Science - Motion and Measurement of Distances
Exam Duration: 45 Mins Total Questions : 30
Which of the following is a standard unit of measurement?
- (a)
Cubit
- (b)
Hand span
- (c)
Metre
- (d)
Palm span
What is the S.I unit of length?
- (a)
Millimetre
- (b)
Centimetre
- (c)
Metre
- (d)
Kilometre
What fraction of a metre is 1 mm?
- (a)
Thousand
- (b)
Hundred
- (c)
Thousandth
- (d)
Hundredth
Find the length of the object in the figure given below
- (a)
3.4 units
- (b)
3.2 units
- (c)
3.5 units
- (d)
3.3 units
Which of the following is used to measure the length of a curved surface?
- (a)
Only a metre scale
- (b)
Only a thread
- (c)
Both the metre scale and the thread
- (d)
Only a graph paper
Somu's teacher asked Somu to measure the length of a table using a measuring tape. Why did his teacher ask him to use a measuring tape?
- (a)
It is easy to use.
- (b)
It is a new instrument for measuring length.
- (c)
It uses standard units of measurement.
- (d)
It is the only tool in the classroom.
A test tube measures 125 mm in length. Which of the following is also its correct length?
- (a)
1.25 cm
- (b)
0.125 m
- (c)
1.25 m
- (d)
12.5 m
Nagender is playing with a ball. The motion(s) exhibited by the ball is/are
- (a)
curvilinear.
- (b)
circular.
- (c)
rectilinear.
- (d)
both (A) and (C).
Which of the following exhibits rotatory motion but not translatory motion?
- (a)
A ball delivered by a spin bowler
- (b)
A drill that bores a piece of wood
- (c)
A spinning wheel
- (d)
The rear wheel of a moving bicycle
Which type of motion do the wheels of a moving car exhibit?
- (a)
Rectilinear
- (b)
Curvilinear
- (c)
Rotatory and translatory
- (d)
Circular and translatory
A boy plucked the string of a violin. Which type of motion does it exhibit?
- (a)
Rectilinear
- (b)
Circular
- (c)
Vibratory
- (d)
Both (B) and (C)
Identify the motion of the block shown in the figure.
- (a)
Oscillatory motion
- (b)
Translatory motion
- (c)
Curvilinear motion
- (d)
Periodic motion
Which of the following is used for finding the measurement of length accurately?
- (a)
- (b)
- (c)
- (d)
The arms of a soldier marching along the road exhibits
- (a)
circular motion.
- (b)
oscillatory motion.
- (c)
rotatory motion.
- (d)
non-periodic motion.
Which of the following is NOT the correct measurement of S.I. unit?
- (a)
5 m of cloth
- (b)
20 seconds of time
- (c)
Surface area of 25 cm2
- (d)
2 kg of cooking oil
The length of a tube is 5643 mm. What would be its length when expressed in S.I.units?
- (a)
5 m
- (b)
56 cm
- (c)
5.3 m
- (d)
5.643 m
Which of the following show movements without changing their place?
- (a)
Only (i) and (ii)
- (b)
Only (ii) and (iii)
- (c)
Only (i) and (iii)
- (d)
All the three
The thickness of a dozen coins on a metre scale was found to be 18 cm. What is the thickness of one coin?
- (a)
15 cm
- (b)
1.2 cm
- (c)
1.8 mm
- (d)
15 mm
Varun strikes a drum which starts vibrating. Identify the motion it exhibits.
- (a)
Oscillatory
- (b)
Rotatory
- (c)
Translatory
- (d)
Both (B) and (C)
The result of measurement is expressed in ___________parts.
- (a)
three
- (b)
two
- (c)
one
- (d)
none of these
The metric system as a standard unit of measurement was created by
- (a)
America.
- (b)
France.
- (c)
England.
- (d)
India.
Which one of the following is accepted as a set of standard unit of measurement by scientists all over the world?
- (a)
Metric system
- (b)
Yard system
- (c)
Foot system
- (d)
International System of Units
Which one of these is the biggest unit of measurement of length?
- (a)
m
- (b)
cm
- (c)
mm
- (d)
km
1 km has_______________mm.
- (a)
1000
- (b)
100000
- (c)
10000
- (d)
1000000
Which one of the following is accepted as a set of standard unit of measurement by scientists all over the world? Parul drew a figure of eight on a paper. She asked Aanya to measure the total length of the figure. Aanya will requir________ for this purpose.
- (a)
a thread
- (b)
a scale
- (c)
both 'a' and 'b'
- (d)
none of these
If objects move along a straight line they are said to be in
- (a)
motion
- (b)
curvilinear motion
- (c)
rectilinear motion
- (d)
distance
In circular motion
- (a)
the motion is along a circular path.
- (b)
the motion is along a straight path.
- (c)
the motion is haphazard.
- (d)
none of these.
Which of these is not an example of circular motion?
- (a)
movement of an electric fan.
- (b)
movement of a point marked on the blade of an electric fan.
- (c)
movement of a water ball tied to a string and whirled around.
- (d)
both 'b' and 'c'.
Select the right match
Column I | column II |
i) Movement of moon round the earth | A) rest |
ii) State in which there is no change in position with time and with respect to surroundings | B) vibratory motion |
iii) When some parts of a body move to and fro repeatedly | C) circular motion |
- (a)
i-C; ii-A; iii-B
- (b)
i-B; ii-A; iii-C
- (c)
i-A; ii-B; iii-C
- (d)
i-A; ii-C; iii-B
Karan tied a stone to a string and whirled it around. Which one of the statements is true?
- (a)
The stone underwent circular motion.
- (b)
The distance of the stone from his hand remains the same.
- (c)
The length of the string remained constant.
- (d)
All of these