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Acids, Bases And Salts

Question
CBSEENSC10012876
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Which kind of mirrors are used in the headlights of a motor-car and why? 

Solution
Concave mirrors are used in the headlights of a motor-car. When a bulb is located at the focus of the concave mirror, a parallel beam of high intensity incident ray can be reflected from the mirror.

Some More Questions From Acids, Bases and Salts Chapter

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.

What is lateral inversion of an image ? What is the cause of lateral inversion?

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