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प्रश्न
Define the following term in relation to concave mirror.
Pole
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उत्तर
Pole “is the mid-point of the mirror”.
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संबंधित प्रश्न
Name the two types of spherical mirrors. What type of mirror is represented by the:
back side of a shining steel spoon?
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
A student obtained a sharp image of a burning candle, placed at the farther end of a laboratory table, on a screen using a concave mirror. For getting better value of focal length of the mirror, the subject teacher suggested him for focusing a well illuminated distant object. What should the student do?
(A) He should move the mirror away from the screen.
(B) He should move the mirror slightly towards the screen.
(C) He should move the mirror as well as the screen towards the newly selected object.
(D) He should move only the screen towards the newly selected object.
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
Complete the following diagrams shown in Fig. by drawing the reflected ray for each of the incident ray A and B.
State the position of object for which the image formed by a concave mirror is of same size.
Write two more characteristics of the image.
A straight stick partly dipped in water obliquely appears to be bent at the surface of the water.
Define the following term:
convex mirror
Define the term Centre of curvature.
