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1. A convex and a concave mirror of radii 10 cm each are facing each other and 15 cm apart. A point object is placed midway between them. Then position of the final image if the reflection first takes place at the concave mirror and then in the convex mirror is
A. at the pole of the concave mirror
B. at the pole of the convex mirror
C. 5 cm behind the convex mirror
D. coincident with the object itself
2. When the object is located at the F of a concave mirror then
A. Image is of same size
B. image will be formed at infinity
C. Image is reduced in size
D. Image is magnified
4. In Concave Mirror
A. Reflecting surface is towards the centre of the sphere of which it can be considered as a cut off portion.
B. Reflecting surface is on the opposite side of the centre of the sphere of which it can be considered as a cut off portion.
C. Both a and b.
D. Concave mirror does not exist.
5. In mirrors how can we differentiate real image from the virtual image
A. Real image is always inverted whereas virtual image is erect.
B. Real image is always twice in size as compared to virtual.
C. Real and virtual both are same.
D. Virtual image is always inverted whereas real is erect.
6. ______ mirror is called as diverging mirror
A. Concave
B. Plane
C. Convex
D. Both b and c
7. Newtonian reflecting type telescope uses
A. Concave mirror
B. Convex lens
C. Concave lens
D. Convex mirror
9. In a concave mirror when the object is located beyond C the magnification is
A. More than 1
B. Equal to 1
C. Less than 1
D. Both a and b
10. An image is upright and reduced in size. Which mirror is used to form such an image?
A. Convex
B. Concave
C. Plane
D. Both a and c
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