Question
Point sources and Extended sources.
✓
Answer
| Point sources | Extended sources |
| 1. A source of radiation light that is concentrated at a point and considered as having no spatial extension. | 1. An extended source is a source consisting of many point sources separated internally. |
| 2. Shadow we get from a point source is dark called umbra. | 2. Shadow we get from extended source of light is faint called penumbra and dark called umbra |
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Dicotyledonous seeds and monocotyledonous seeds.
Modern cement and Ancient cement
Skeletal muscle and Cardiac muscle.
Voluntary and Involuntary muscles.
Compare the lotus plant to the Acacia plant and Hibiscus plant.
Speed and Velocity
Write the difference between constellations Saptarshi and Mrug nakshatra
Atoms and Molecules
Mixture and Compound
What is the difference between the plants given in the pictures. Give 2 points of difference taking into consideration their adaptations with their surroundings.
