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प्रश्न
State or define the following term:
An hour
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उत्तर
It is defined as 1/24 the part of the mean solar day.
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संबंधित प्रश्न
Complete the following: 1 quintal =………kg
Name the physical quantities which are measured in the given units:
nm
It takes time 8 min for light to reach from the sun to the earth surface . If speed of light is taken to be `3 xx 10^8 "m/s"^-1` , find the distance from the sun to the earth in km .
Complete the rollowing:
1 u = ____ kg
Arrange the following in correct sequence.
Copper, Aluminium, Gold, Iron
Closeness of two or more measured values is called as ______
The super conductors are used to levitate trains from the track.
Questions based on Higher Order Thinking Skills:
There are three spheres A, B, C as shown below.
Sphere A and B are made of same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of A. Density of A is double that of C.

Now answer the following questions.
- Find the ratio of masses of spheres A and B.
- Find the ratio of volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
Define measurement.
Define measurement.
