Question 3
$\begin{matrix} C o l u m n I & C o l u m n I I (a) A p l a n e m i r r o r & (i) U s e d a s a m a g n i f y i n g g l a s s . (b) A c o n v e x m i r r o r & (i i) C a n f o r m i m a g e o f o b j e c t s s p r e a d o v e r a l a r g e a r e a . (c) A c o n v e x l e n s & (i i i) U s e d b y d e n t i s t s t o s e e e n l a r g e d i m a g e o f t e e t h . (d) A c o n c a v e m i r r o r & (i v) T h e i m a g e i s a l w a y s i n v e r t e d a n d m a g n i f i e d . (e) A c o n c a v e l e n s & (v) T h e i m a g e i s e r e c t a n d o f t h e s a m e s i z e a s t h e o b j e c t . (v i) T h e i m a g e i s e r e c t a n d s m a l l e r i n s i z e t h a n t h e o b j e c t . \end{matrix}$

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Solution

$\begin{matrix} C o l u m n I & C o l u m n I I (a) A p l a n e m i r r o r & (v) T h e i m a g e i s e r e c t a n d o f t h e s a m e s i z e a s t h e o b j e c t . (b) A c o n v e x m i r r o r & (i i) C a n f o r m i m a g e o f o b j e c t s s p r e a d o v e r a l a r g e a r e a . (c) A c o n v e x l e n s & (i) U s e d a s a m a g n i f y i n g g l a s s . (d) A c o n c a v e m i r r o r & (i i i) U s e d b y d e n t i s t s t o s e e e n l a r g e d i m a g e o f t e e t h . (e) A c o n c a v e l e n s & (v i) T h e i m a g e i s e r e c t a n d s m a l l e r i n s i z e t h a n t h e o b j e c t . \end{matrix}$

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Similar questions

Match the following: [5 MARKS]

Column I	Column II
(a) A plane mirror	(i) Used as a magnifying glass.
(b) A convex mirror	(ii) Can form the image of objects spread over a large area.
(c) A convex lens	(iii) Used by dentists to see an enlarged image of teeth.
(d) A concave mirror	(iv) The image is always inverted and magnified.
(e) A concave lens	(v) The image is erect and of the same size as the object.
	(vi) The image is erect and smaller in size than the object.

Q. When an object is near a plane mirror, the image is erect, virtual and of the same size at the object. A concave mirror gives a magnified and erect image of a nearby object whereas a convex mirror gives an erect and diminished image. For the rear view mirror in a car.

When an object is kept at any distance in front of a concave lens, the image formed is always : (a) virtual, erect and magnified (b) virtual, inverted and diminished. (c) virtual, erect and diminished (d) virtual, erect and same size as object

Q. When an object is within the focal length of a concave mirror, the image formed is
(a) real and inverted
(b) virtual and magnified.
(c) virtual and the same size.
(d) real and magnified.

If we bring a concave mirror close to us, we see an erect and magnified image of ourself.

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Image Formation by Spherical Mirrors

Standard VII Physics

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