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Acids, Bases And Salts

Question

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State the two laws of reflection of light.

Solution

Laws of reflection states that:

i. The angle of incidence is equal to the angle of reflection.

ii. The incident ray, the reflected ray and the normal to the mirror, all lie in the same plane.

Some More Questions From Acids, Bases and Salts Chapter

What is light? Mention its two important uses.

Briefly discuss the various theories about the nature of light.

What is the wavelength range of visible light? What is the importance of this wavelength range?

Define a ray of light and a beam light. What are the different types of beams of light?

What is an optical medium? How can we classify different media on the basis of their behaviour towards light?

What do you mean by reflection, refraction and absorption of light?

Which type of phenomenon (reflection or refraction) occurs when light falls on (i) a highly polished surface like a mirror and (ii) a transparent medium like glass or water?

What is meant by the optical image of an object?

What are real and virtual images? Can these images be obtained on a screen? Give reasons in support of your answer.

Give three points of differences between real and virtual images.

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