CBSE NCERT Solutions for Class 7 Science Chapter 15

CBSE NCERT Solutions for Class 7 Science Chapter 15 Light (अध्याय 15 प्रकाश) free to download in PDF or View online  free. Download CBSE Solutions for other subjects of Class 7 also for session 2019 – 20.


CBSE NCERT Solutions for Class 7 Science Chapter 15

Light: Question – Answers




7 Science Chapter 15: Light

CBSE NCERT Solutions for Class 7 Science Chapter 15 Light is given below to use online. Download links are given at the Top of the page. Visit to Class 7 Science main page.

CBSE NCERT Solutions for Class 7 Science Chapter 15 Light
CBSE NCERT Solutions for Class 7 Science Chapter 15 in PDF free




7 Science ch. 15 answers

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Important Questions with Answers
  1. 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 sun rise.
  2. 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.
  3. Which of the following can be used to form a real image?
    (a) Concave mirror only.
    (b) Plane mirror only.
    (c) Convex mirror only.
    (d) Both concave and convex mirrors.
  4. 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.
  5. 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.
  6. 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
  7. An image formed by a lens is erect. Such an image could be formed by a
    (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.
  8. Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively
    (a) plane mirror and concave mirror.
    (b) concave mirror and convex mirror.
    (c) plane mirror and convex mirror.
    (d) convex mirror and plane mirror.



Answers
  • 1 (b)
  • 2 (c)
  • 3 (a)
  • 4 (b)
  • 5 (b)
  • 6 (b)
  • 7 (b)
  • 8 (c)

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