Question

A. Fill in the blank spaces by choosing the correct
words from the list given below :
List: metre, thousand, length, one tenth
1.
is the measure of
distance between two points.
2. One kilometre is
times
the length of one metre.
3. One millimetre is on
part
of a centimetre.
2. The distance of the planets and stars from
earth is measured in millimetres.
3. The standard unit of length is millimetre.
4. Metre scale is used to measure the
circumference of a cylinder.
5. A centimetre is 100 times the length of one
metre.
nis
lenik
4. The SI unit of length is more
B. Write true or false for each of the statement
given below :
1. One millimetre is equal to one million
metres.
2. The distance of stars from the earth is
measured in mega-metres.
3. One light year is equal to a distance of
9.46 x 1012 km.
4. A standard unit is a basic unit acceptable
to scientists and general public.
e
5. The magnitude of a standard unit should not
change with respect to time and place.
2
D. Tick () the most appropriate answer.
1. The appropriate unit for measuring the
thickness of a coin is :
(a) centimetre (b) millimetre
(c) micrometre (d) kilometre
2. The appropriate unit for measuring the
distance of stars from the earth is :
(a) light year (b) kilometre
(c) mega-metre (d) millimetre
3. One light year is :
(a) 9.46 x 1012 km (b) 9.64 x 1012 km
(c) 94.6 x 1012 km (d) 96.4 x 1012 km
4. A standard unit should :
(a) be convenient in size
(b) not change with change in place
(c) not change with time
(d) All of these
C. Statements given below are incorrect. Write
the correct statements.
1. One kilometre is equal to 100 metres.
27​

Answer 1

Answer:

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Answer 2

1...length ok I think it will help you