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What is the meaning of reflection and refraction?
Reflection is the bouncing back of light or sound waves when they hit a surface, changing direction but not entering the surface. Refraction is the bending of light waves as they pass from one medium to another medium with a different density, causing a change in speed and direction.
What do we call it when we change the direction light is moving?
Reflection: When light is bounced back off a surface in different or same direction Deflection: When light goes through a surface but its direction has changed from before it hit the surface
How can sound waves be reflected?
Sound waves can be reflected when they encounter a surface that is smooth and hard, causing the waves to bounce off the surface and change direction. This reflection of sound waves allows them to travel in different directions and be heard from various angles.
What is the change of direction when a wave enters a different medium called?
The change of direction when a wave enters a different medium is called refraction. This is due to the change in speed of the wave as it moves from one medium to another, causing it to bend.
What Violet is refracted the?
Violet light is refracted when it passes through a medium with a different optical density, causing it to change direction. This change in direction is due to the different speeds at which violet light travels in different mediums, such as air, water, or glass.
Why do waves change direction as they enter or leave a lens?
Waves change direction as they enter or leave a lens due to refraction, which is the bending of light as it passes through a medium with a different optical density. This bending occurs because light waves travel at different speeds in different mediums, causing them to change direction at the interface.
What is the change in the direction of light as it enters a different substance called?
The change in the direction of light as it enters a different substance is called refraction. This phenomenon occurs because light travels at different speeds in different mediums, causing it to bend at the interface between the two substances.
When light bounces off the surface of an object the light is in a different direction?
Yes, when light bounces off the surface of an object, it undergoes reflection which results in a change in the direction of the light. This change in direction is determined by the angle of incidence and the angle of reflection, according to the law of reflection.
Why does a refraction occur?
Refraction occurs when light waves pass from one medium to another with a different optical density, causing a change in the speed of light and a change in its direction. This change in direction is due to the bending of the light waves as they travel through the different mediums.
How can the direction of light be changed?
The direction of light can be changed through reflection, refraction, or diffraction. Reflection occurs when light bounces off a surface, changing its direction. Refraction happens when light passes through a medium with a different optical density, causing it to bend. Diffraction occurs when light encounters an obstacle or aperture, causing it to spread out and change direction.
How could you change the direction of a ray of light?
You can change the direction of a ray of light by reflecting it off a surface, refracting it through a different medium, or diffracting it through an obstacle. The change in direction depends on the angle of incidence and the properties of the material it interacts with.
How does a continent affect surface current?
Continents can affect surface currents by causing them to deflect due to the Coriolis effect. This effect is caused by Earth's rotation and causes surface currents to change direction as they flow around land masses. The shape and location of continents can also influence the direction and strength of surface currents by creating barriers or channels for the flow of ocean water.
