Medium
State one practical use of each of the following: $(i)$ convex mirror, (ii) concave mirror, (iii) convex lens, and (iv) concave lens.
- AConvex mirror: Security mirror; Concave mirror: Dentist's mirror; Convex lens: Projector; Concave lens: Peephole.
- BConvex mirror: Street light reflector; Concave mirror: Solar furnace; Convex lens: Camera lens; Concave lens: Galilean telescope.
- CConvex mirror: Rear-view mirror in vehicles; Concave mirror: Shaving mirror; Convex lens: Magnifying glass; Concave lens: Correction of myopia.
- DConvex mirror: Makeup mirror; Concave mirror: Headlight reflector; Convex lens: Microscope; Concave lens: Spectacles.
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Similar Questions
$(a)$ Draw a ray diagram in each of the following cases to show the position and nature of the image formed when an object is placed:
$(i)$ Between the focus and the centre of curvature of a concave mirror.
$(ii)$ Between the focus and the pole of a concave mirror.
$(iii)$ Between the centre of curvature and infinity for a concave mirror.
$(b)$ Give mathematical formulae for determining the magnification produced by a spherical mirror. What does $m = -1$ signify? Identify the mirror that can produce it.
$(i)$ Between the focus and the centre of curvature of a concave mirror.
$(ii)$ Between the focus and the pole of a concave mirror.
$(iii)$ Between the centre of curvature and infinity for a concave mirror.
$(b)$ Give mathematical formulae for determining the magnification produced by a spherical mirror. What does $m = -1$ signify? Identify the mirror that can produce it.
Medium
View SolutionWhich of the following ray diagrams is correct for the ray of light incident on a lens shown in the figure?
Easy
View SolutionWhich type of mirror can produce a virtual image?
Easy
View SolutionThe image formed by a spherical mirror is virtual. The mirror will be:
Medium
View SolutionTwo statements are given $-$ one labelled Assertion $(A)$ and the other labelled Reason $(R).$ Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below:
Assertion $(A)$: We can decide the nature of a mirror by observing the size of the erect image formed in the mirror.
Reason $(R)$: The minimum distance between a real object and its real image in a concave mirror is zero.
Assertion $(A)$: We can decide the nature of a mirror by observing the size of the erect image formed in the mirror.
Reason $(R)$: The minimum distance between a real object and its real image in a concave mirror is zero.
Medium
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