Check the below NCERT MCQ Questions for Class 7 Science Chapter 15 Light with Answers Pdf free download. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. We have Provided Light Class 7 Science MCQs Questions with Answers to help students understand the concept very well.
Class 7 Science Chapter 15 MCQ With Answers
You can refer to NCERT Solutions for Class 7 Science Chapter 15 Light to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.
Science Class 7 Chapter 15 MCQs on Light
Choose the correct answer:
Question 1.
The path of the light is
(a) always a straight line
(b) a curved line
(c) a zig-zag line
(d) depends on the medium
Answer
Answer: (a) always a straight line
Question 2.
Which one shows lateral inversion?
(a) Plane mirror
(b) Convex mirror
(c) Concave mirror
(d) All of these
Answer
Answer: (a) Plane mirror
Question 3.
Image formed by a plane mirror is
(a) virtual and erect
(b) real and erect
(c) virtual and inverted
(d) real and inverted
Answer
Answer: (a) virtual and erect
Question 4.
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
Answer
Answer: (c) plane mirror and convex mirror
Question 5.
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
Answer
Answer: (a) Concave mirror only
Question 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
Answer
Answer: (b) 1 m
Question 7.
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
Answer
Answer: (b) concave mirror or convex lens
Question 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 mirror
Answer
Answer: (b) only a concave mirror
Question 9.
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 convex mirror and convex lens
(d) both convex mirror and concave lens
Answer
Answer: (c) both convex mirror and convex lens
Question 10.
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.
Answer
Answer: (b) concave lens provided the image is smaller than object.
Match the following:
| Column A | Column B |
| (i) Concave lens | (a) Lateral inversion |
| (ii) Always virtual image | (b) Reflecting surface is bulged out |
| (iii) Changing position of image | (c) Concave mirror |
| (iv) Wax paper | (d) Seven colours |
| (v) Image obtained on screen | (e) Real image |
| (vi) Convex mirror | (f) Translucent |
| (vii) Used by dentists | (g) Thinner in the middle |
| (viii) White light composed | (h) Concave lens |
Answer
Answer:
| Column A | Column B |
| (i) Concave lens | (g) Thinner in the middle |
| (ii) Always virtual image | (h) Concave lens |
| (iii) Changing position of image | (a) Lateral inversion |
| (iv) Wax paper | (f) Translucent |
| (v) Image obtained on screen | (e) Real image |
| (vi) Convex mirror | (b) Reflecting surface is bulged out |
| (vii) Used by dentists | (c) Concave mirror |
| (viii) White light composed | (d) Seven colours |
Fill in the blanks:
1. Uneven surfaces show ………………….. reflection.
Answer
Answer: irregular
2. Incident ray, the reflected ray ………………….. and lie in the same …………………..
Answer
Answer: normal,plane
3. Laws of ………………….. is applicable in playing back shots in the carroms.
Answer
Answer: reflection
4. Changing of right side to left is called …………………..
Answer
Answer: lateral inversion
5. The inner surface of a steel spoon acts as a ………………….. mirror.
Answer
Answer: concave
6. The outer surface of a flat steel plate acts as a ………………….. mirror.
Answer
Answer: plane
7. The outer shining surface of a round bottom steel bowl acts as a ………………….. mirror.
Answer
Answer: convex
8. The inner surface of the reflector of a torch acts as a ………………….. mirror.
Answer
Answer: concave
Choose the true and false statements from the following:
1. Concave mirror is converging in nature.
Answer
Answer: True
2. Convex mirror is diverging in nature.
Answer
Answer: True
3. Plane mirror forms virtual image.
Answer
Answer: True
4. Concave mirror has a virtual focus.
Answer
Answer: False
5. Spherical mirrors do not obey laws of reflection.
Answer
Answer: False
6. During lateral inversion, the image becomes inverted.
Answer
Answer: False
7. Angle between incident ray and reflected ray is double that of the angle of incidence.
Answer
Answer: True
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