Advertisements
Advertisements
प्रश्न
What do you mean by luminous intensity?
Advertisements
उत्तर
The measure of the power of the emitted light, by a light source in a particular direction, per unit solid angle, is called luminous intensity.
APPEARS IN
संबंधित प्रश्न
_______ is used to measure electric current.
Temperature is a measure of total kinetic energy of the particles in a system.
If one coulomb of charge is flowing in one minute, it is called ‘ampere’
Amount of substance gives the number of particles present in a substance.
Angle formed at the top of a cone is an example for ‘plane angle’
Match the following.
| Temperature | Closeness to the actual value |
| Plane angle | Measure of hotness or coldness |
| Solid angle | Closeness to two or more measurements |
| Accuracy | Angle formed by the intersection of three or more planes |
| Precision | Angle formed by the intersection of two planes |
Give the name of the instrument used for the measurement of temperature.
Name the three scales of temperature.
Assertion: Radian is the angle subtended at the center of a circle by an arc whose length is equal to the radius of the circle.
Reason: 1 radian = `180/π`
How many base quantities are there?
