GENERAL KNOWLEDGE

GK

UNITS DEVICES DIMENSIONS AND MEASUREMENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Steredian is used to measure
A
Angle
B
Solid Angle
C
Temperature
D
Intensity of flame
Explanation: 

Detailed explanation-1: -steradian, unit of solid-angle measure in the International System of Units (SI), defined as the solid angle of a sphere subtended by a portion of the surface whose area is equal to the square of the sphere’s radius.

Detailed explanation-2: -The steradian (symbol: sr) or square radian is the unit of solid angle in the International System of Units (SI). It is used in three-dimensional geometry, and is analogous to the radian, which quantifies planar angles.

Detailed explanation-3: -The dimensionless unit of solid angle is the steradian, with 4 steradians in a full sphere.

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