Question

Q1. Choose the correct option:


1. Rohit and Pari were given one mirror each by their teacher. Rohit found his image to be erect and of the same size, whereas Pari found her image erect and smaller in size. This means that the mirrors of Rohit and Pari respectively are
(a) plane mirror and concave mirror
(b) concave mirror and convex mirror
(c) plane mirror and convex mirror
(d) convex mirror and plane mirror


2. Which of the following always diverge light rays?
(a) Convex mirror and plane mirror
(b) Concave lens and convex mirror
(c) Concave mirror and convex lens
(d) Concave lens and convex mirror


3. Which of the following would you prefer to use while reading small letters found in a dictionary?
(a) A convex lens
(b) A convex mirror
(c) A concave lens
(d) Either (a) or (b)


4. If an object is placed at a distance of 0.5 m in front of a plane mirror, the distance between the object and the image formed by the mirror will be
(a) 2 m
(b) 1 m
(c) 0.5 m
(d) 0.25 m


5. A virtual image
(a) can be formed on the screen
(b) cannot be formed on the screen
(c) is formed only by a plane mirror
(d) is formed only by the convex mirror


6. You are provided with a concave mirror, a convex mirror, a concave lens and a convex lens. To obtain an enlarged image of an object, you can use either
(a) concave mirror or convex mirror
(b) concave mirror or convex lens
(c) concave mirror or concave lens
(d) concave lens or convex lens


7. A rainbow can be seen in the sky
(a) when the sun is in front of you
(b) when the sun is behind you
(c) when the sun is overhead
(d) only at the time of sunrise

8. An erect and enlarged image can be formed by
(a) only a convex mirror
(b) only a concave mirror
(c) only a plane mirror
(d) Both convex and concave mirrors


9. Which of the following can be used to form a real image?
(a) Only concave mirror
(b) Only plane mirror
(c) Only convex mirror
(d) Both concave and convex mirrors


10. You are provided with a convex mirror, a concave mirror, a convex lens and a concave lens. You can get an inverted image from
(a) both concave lens and convex lens
(b) both concave mirror and convex mirror
(c) both concave mirror and convex lens
(d) both convex mirror and concave lens

11. An image formed by a lens is erect. Such an image could be formed by [NCERT Exemplar]
(a) convex lens provided the image is smaller than object
(b) concave lens provided the image is smaller than object
(c) concave lens provided the image is larger than object
(d) concave lens provided the image is of the same size

12.The colour of light which is deviated the least by prism in the spectrum of white light is
(a) violet
(b) green
(c) yellow
(d) red​

Answer 1

We are not a computer to answer this much.

Mark me as Brainliest then I will follow you.

Answer 2

Answer:

b

a

d

c

a

a

b

c

c

d

Explanation:

refer to physics book.