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Image Formation by a Point Object

Q. Which of t...

Question

Q. Which of the following is incorrect ?

a. A convex mirror can give a virtual image.

b. A convex mirror cannot give a real image.

c. A concave mirror can give a virtual image.

d. A concave mirror can give a diminished virtual image.

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Solution

option (d) is incorrect.

Explanation:

n case of concave mirror, if the position of the object is Between P and F of the mirror, then the virtual, erect and enlarged image is formed.

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Q. Which of the following are true regarding image formation with the help of mirrors?
1.A concave mirror can give a diminished virtual image.
2.A concave mirror can give a real image.
3.A convex mirror can give a virtual image.
4.A convex mirror cannot give a real image,

Which of the following statements are true :

1) A convex lens always gives a real image.
2) A concave lens always gives virtual image.
3) A convex lens can also gives magnified virtual image.

A virtual image formed by a concave mirror is always (a) ____ and a virtual image formed by a convex mirror is always (b) _____ .

Q. Both concave and convex mirrors can produce virtual and erect images. A concave mirror is used as a shaving mirror, but a convex mirror is not. Why?

A virtual image larger than the object can be produced by a

(i) concave lens

(ii) concave mirror

(iii) convex mirror

(iv) plane mirror

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Image Formation by a Point Object

Standard VII Physics

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