Question

Use a tick (✔) for the correct statement and a cross (❌) for the incorrect one.

(a) 3.94 m is equal to 39.4 cm.
(b) Mass of a body varies from place to place.
(c) Kilogram is the SI unit of mass.
(d) FPS system is also called the metric system.
(e) The time taken by the earth to revolve once around the sun is called one month.

Answer 1

In this question, we evaluate various statements related to measurements and units, such as conversions, SI units, and time periods.

Step-by-step explanation:

(a) ❌ 3.94 m is not equal to 39.4 cm. The correct conversion is 3.94 m = 394 cm. A meter is bigger than a centimeter, so the value in centimeters will be greater.

(b) ✔ Mass of a body does vary from place to place. This variation is due to the difference in gravity on different planets or locations on Earth.

(c) ✔ Kilogram is indeed the SI unit of mass. It is defined as the mass of a specific reference object and is used universally in science and everyday life.

(d) ❌ FPS system is not called the metric system. FPS stands for Feet-Pounds-Seconds, and it is a non-metric system of measurement used in the United States.

(e) ❌ The time taken by the earth to revolve once around the sun is not called one month. It is called one year. A month is a shorter time period, usually defined as one twelfth of a year.