Question

the odd one from the given items is a) gram b) centimetres c) second d) hour​

Answer 1

Answer:

d) hour

Explanation:

gram centimeters and second are C.G.S unit while hour is not.

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Answer 2

Answer:

The odd one is option D - "Hour" because it is not the part of C.G.S. system of units.

Explanation:

What is different systems of units?

There are 4 types of systems for units:

1. C.G.S. system of units
2. M.K.S. system of unit
3. F.P.S. system of unit
4. SI system of unit

1. C.G.S. system of units:

• In this method the unit of Length = Centimeter (cm)

                                       unit of Mass = Gram (g)

                                       unit of Time  =  Second (s)

2. M.K.S. system of units:

• In this method the unit of Length = Meter (m)

                                       unit of Mass = Kilogram (kg)

                                       unit of Time = Second (s)

3. F.P.S. system of units:

• In this method the unit of Length = Foot (ft)

                                       unit of Mass =Pound (lb)

                                       unit of Time = Second (s)

• This system is not used now a days.

4. SI system of units:

• In this system unit of Length = Meter (m)

                                unit of Mass =Kilogram (kg)

                                unit of Time = Second (s)

                                unit of Temperature = Kelvin (K)

                                unit of Electric current = Ampere (A)

                                unit of Luminous intensity = Candela (cd)

                                unit of Amount of substance = mole (mole)

• This system is used majorly now a days and applied to all over the world.

Here, as shown above Gram, Centimeter and Second is C.G.S. system of units while Hour is the odd one.

Hence, our answer is Hour.

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