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Why do cathode rays produce sharp shadow of object placed in their path?
Wiki User
∙ 10y ago
they are material particles!
Wiki User
∙ 10y ago
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What is it called when a meteor produces enough light to cast a shadow on the earth?
A meteor does not produce light, a shadow on the Earth is caused when the meteor blocks the Sun's rays. The meteor does this when it is placed in between the Sun and the Earth, this is called an eclipse.
Is a shadow translucent?
The shadow is not a solid 'black' colour. It can be the same colour as the object and the shadow allows you to see through it more than an opaque objects shadow. An opaque object would block the light but a translucent object would give a shadow that you could quite easily see through
What are cathode rays made from?
Cathode rays are a stream of electrons originating from cathode and moving to an anode, when high voltage electric potential is applied to the electrodes sealed in a glass tube containing gas at low pressure.Cathode rays are stream of negativley charged electrons getting detached right from neutral molecues due to high voltage and driven right from cathode to anode.
When light falls on an object which side do shadows fall?
The shadow will fall on the opposite side that the light hit the object. Assuming that the object is a solid object that you cannot see through, there would be no light on the other side, hence causing the shadow.
What is it called when it is a complete shadow?
The darkest part of a shadow is called the "umbra" The lighter part of a shadow is called the "penumbra" An "antumbra" is the area of light which surrounds the object creating a shadow, as in a "ring of fire" eclipse (like the recent one in May, 2012). It can best be seen when the viewer is beyond the focal point of the umbra, but in line with it.
Why cathode rays cast a shadow when an object is placed in their path?
Rays shows its particle nature
Can an opaque object produce a shadow?
Yes. Definitely it produces but its intensity will be low.answer 2 In general ONLY opaque objects will produce a shadow. A truly transparent object would not produce a shadow. Look up Opaque in your dictionary.
What causes a shadow to change shapes?
the object blocking the light or the light source are moved or changed. A shadow is created when an object is placed in the path of light. If the object remains unchanged then the movement of the light that is casting the shadow will alter the shape.
What will happen to the colour of the shadow if a piece of blue cellophane paper is placed between the light source and the object?
Nothing will happen to the colour of the shadow. A shadow is the absence of light, and the object will still block the blue light.
Does a mirror form a shadow in the dark?
Shadows can only form when there is light present. A shadow is the result of a solid object blocking visible light. As a mirror is a solid object it can indeed produce a shadow, but nothing can form a shadow in the dark, there must first exist a light source.
Why does blocking a light source with an object produce a shadow?
it produces a swadow because your big head is in the way
Why does an object cast shadow on a screen 7 std science?
When a opaque object is placed between the source of light and the screen light from the source falls on a screen aceept some part which looks the shape of the object the Part of the screen wre high does not fall due to the object is called a shadow
What makes shadow thin or fat?
The size of the object casting the shadow..? Thin object = thin shadow Fat object = fat shadow
Is translucent object casts a shadow?
The shadow is grey but not complete black as that of opaque object.
What is the length of your shadow at midday?
[object Object]
What creates a shadow?
The word shadow has many meanings in English. Most of these refer to the shielded area behind an object which relates to its original Old English meaning of "shield" or "block"/ Thus a shadow is created when an object blocks light, wind , rain or other force to produce a dark, calm or dry area.A shadow, meaning an entity or thing that closely follows another, such as a shadow government a shadow in police work relates to the fact that a "shadow" is close to the object creating the shadow and mimics the objects size and movement. Other concepts for shadow include "darkness". A room with small windows is said to be "in shadow" This type of shadow is created in an interior which is protected from the light.
Is it possible to make an object without shadow?
no its not. since when light falls on the (object) it will create a shadow.
