True OR False Again Grade 4 student
__31.light always travels in a straight light.
__32.the light that strickes a thick cardboard bends and find another way to pass through it.
__33. light rays could not be blocked and they could pass through all types of material since they travel on a straight line.
__34.A laser is a narrow but powerful beam of light of capable of travelling far distances on a straight line.
__35.light can be reflected if it is towards mirror.
__36.Refraction is a bouncing back of light of strikes a clear surface.
__37.When somebody faces a mirror, his reflection can be seen in reversed manner.
__38.Light travels faster in air in liquid.
__39.The speed of light remains the same even if it travels from one material to another.
__40.Optical fibers are in communication, medicine and industry.
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