Ray Optics and Optical Instruments Quiz

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5 Questions

Which objects are considered luminous?

Sun and other stars

What is the speed of light in vacuum?

3 x 10^8 m/s

What is a real image?

Formed by the actual meeting of light rays

What happens to the speed and wavelength of light when it travels from one medium to another?

Speed and wavelength change

What are non-luminous objects?

Objects that do not emit their own light

Test your understanding of the characteristics and sources of light with this quiz on Ray Optics and Optical Instruments. Explore the nature of light waves, the speed of light, and the measurement of light energy.

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