Answer: C. Non-luminous objects are those that do not emit light. The moon and the spoon do not emit light. So these two are good examples of non-luminous objects. Q3. We can see the objects only when Reflected light from the object reaches our eye. ...
What are Sources of Light? And What are Luminous and Non-Luminous Objects ?Light is a form of energy. Light is needed to see things. We cannot see an object in the darkness of night. We need a source of light to make the object visible. During the day, sun’s light allows us to...
You can not see any object unless light from that object gets into your eyes.Some of the things you see give off light of their own.The sun, the stars, a lighted lamp are examples that can be seen by their own light.Such things areluminous.Most of the things you see are not g...
. Most of the things you see are not giving off light of their own. They are simply reflecting light that falls on them from the sun or some other luminous bodies. The moon for example does not give off any light of its own. It is non-luminous. You see it because sunlight falls on...
答案解析 查看更多优质解析 解答一 举报 BCCAC1.根据You can’t see any object unless light from that object gets into your eyes.可知选B。Y2.根据from the sun or some other luminous bodies 可知选C 太阳是发光的。3.根据They are just refl... 解析看不懂?免费查看同类题视频解析查看解答 ...
The sun,the stars,a lighted lamp are the examples that can be seen by their own light.But most of the things you see are not giving off light of their own.They are just reflecting(反射)light that falls on them from the sun or some other luminous bodies.The moon,for example,doesn’t...
adaptiveThreshold(luminous_image_data, 255, cv2.ADAPTIVE_THRESH_GAUSSIAN_C, cv2.THRESH_BINARY, 11, 2) return linedrawing Example #26Source File: active_weather.py From aggregation with Apache License 2.0 5 votes def __initial_threshold__(self,fname,region_bounds,horizontal_grid,vertical_grid)...
We combine the quasi-stellar object (QSO) samples from the 2dF QSO Redshift Survey (2QZ) and the 2dF-Sloan Digital Sky Survey luminous red galaxy (LRG) and... J Daângela,T Shanks,SM Croom,... - 《Monthly Notices of the Royal Astronomical Society》 被引量: 115发表: 2008年 ...
The metric system is defined as the system of measurements to calculate the mass, distance, and volume of any object. Visit BYJU’S to learn its conversion methods and examples.
3.You can not see any object unless light from that object gets into your eyes.Some of the things you see give off light of their own.The sun.the stars.a lighted lamp are examples that can be seen by their own light.Such things are luminous.Most of