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Physics · UNITS AND MEASUREMENT

हिन्दी

In the FPS (or British) system of units, what were the base units for length, mass, and time, respectively?

  1. Centimetre, gram, second
  2. Foot, pound, second
  3. Metre, kilogram, second
  4. Foot, gram, minute

Correct answer · Option 2

Foot, pound, second

Explanation

FPS प्रणाली में, लंबाई, द्रव्यमान और समय के लिए आधार इकाइयाँ क्रमशः फुट, पाउंड और सेकंड थीं।

Related questions

According to the NCERT rounding-off rules, the numbers \( 3.745 \) and \( 3.735 \), when rounded off to three significant figures, become respectively:→A spherical surface area element \( dA = 0.25\text{ m}^2 \) at a distance \( r = 0.5\text{ m} \) from the center subtends a solid angle \( \Omega \). An arc of length \( ds = 0.2\text{ m} \) on a circle of the same radius \( r = 0.5\text{ m} \) subtends a plane angle \( \theta \). The ratio of the numerical value of \( \Omega \) (in steradians) to \( \theta \) (in radians) is:→As illustrated in Fig. 1.1(b), a solid angle \( d\Omega \) is defined as the ratio of intercepted area \( dA \) of a spherical surface to the square of its radius \( r^2 \). A flat circular disc of radius \( R \) is placed perpendicular to the axis at a distance \( d = \sqrt{3}R \) from an apex \( O \). The solid angle subtended by the disc at the apex \( O \) is:→A substance of mass \( 5.74\text{ g} \) occupies a volume of \( 1.2\text{ cm}^3 \). Keeping the significant figures in view, its density should be expressed as:→
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