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Acids, Bases And Salts

Question

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Rahim recorded the following sets of observations while tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence.

S. No.

Angle of incidence

Angle of refraction

Angle of emergence

The correct observations are recorded at a serial number:

I

45^o

41^o

45^o

II

40^o

38^o

38^o

III

45^o

41^o

40^o

IV

41^o

45^o

41^o

Solution

A.

I

45^o

41^o

45^o

Some More Questions From Acids, Bases and Salts Chapter

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.

What is a mirror? Mention the different types of mirrors commonly used.

Define the following terms in connection with reflection of light:
Incident ray, reflected ray, point of incidence, normal, angle of incidence and angle of reflection.

State the laws of reflection of light.

Are the laws of reflection applicable to plane surfaces also valid for curved surfaces?

State the important properties of images formed by plane mirrors.

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