Question

Newton
(ii)
Kilogram
None
Meter
2 Match the following-
(6) Measuring of heart beat
Unit of density
Use of sonar
km per meter cube
depth of sea
stethoscope
6.02 x 102 atoms
Emulsion
One mole is
milk, face cream
-3 Fill in the blanks-
Modern name
Symbol​

Answer 1

Answer:

Correct option is

A

m

3

kg

−1

s

−2

Here N represents Newton.

so we can write unit of force in place of newton, also F=ma

so we can write G=M

1

L

1

t

−2

L

2

M

−2

=M

−1

L

3

T

−2

SI unit for mass is kilogram(kg), for length is meter(m), for time is sec(s)

so we can write unit for G in SI as kg

−1

m

3

s

−2

so best possible answer is option A.