When can t you see your own shadow? 》

When there is light, there is shadow, and when you face the light, that is, when you can't see your own shadow.

It's a strange question, but there are a lot of times when you don't see your own shadow.

1.In a shady place, that is, where the sun doesn't shine.

2.When you close your eyes.

3.When you look up.

Note: Shadows can also be seen at noon.

When there is no sunlight and lights.

At noon, when the sun is at its highest, (summer solstice).

When the sun is above you.

No light or blindfolded or shadows behind you.

Where there's light, there's shadow, and if you turn off all the lights, they'll be gone.

If you don't want to see it, you don't watch it.

I can't see it.

Where you can't see your fingers.

When the night falls, the moment you pass!

When lying face up.

At noon, you can't see your own shadow

The positive meaning is that the person moves quickly and reacts sharply without leaving a trace.

Negative means that it is false, empty, and has no connotation, and you can't see your own shadow.

The other negative is that the person is incapable of introspection and inability to detect his own faults.

Different. Standing in the sunlight and seeing one's own shadow is formed due to the straight propagation of light; Standing by the river and seeing one's own "reflection" in the water is formed by the imaging of a plane mirror (or the reflection of light).

Analysis of test questions: Analyze the causes of reflection (plane mirror imaging) and shadow (linear propagation of light), and make judgments and choices The water surface is equivalent to a plane mirror, and the reflection of the willow tree on the shore in the water is the image of the willow tree on the water surface, which belongs to the reflection phenomenon of light; And the shadow part of one's own shadow formed by the light shining on one's body is formed by the straight propagation of light

Test Points: This question examines the application of the propagation of light in a straight line and the reflection of light.

Comments: Distinguish three kinds of light phenomena: the linear propagation phenomenon of light: shadow, solar and lunar eclipses, and small hole imaging; Reflections of light: mirrors, reflections, periscopes; Refraction of light: looking at objects in water, movies, looking at objects through glass or lenses

I saw my own shadow.

Wen Tianxiang. The sky was suspended at dusk.

Only their own shadow is visible.

A bunch of old people are doing their best to serve them.

Dusk is like its own shadow.

Keep an eye out for the entanglement of the branches.

The Pull of the Stream.

There is no traceability. The shadow is like a lonely sail away.

When it gets dark.

Disappear into the sea of people.

I don't know where I am.

Suspended in the shadow of the dusk itself.

A beam of afterglow at the corner of the wall.

When it gets dark.

It turned out to be such a long and short time.