We have compiled the NCERT MCQ Questions for Class 7 Science Chapter 15 Light with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 7 Science with Answers on a daily basis and score well in exams. Refer to the Light Class 7 MCQs Questions with Answers here along with a detailed explanation.
Light Class 7 MCQs Questions with Answers
Choose the correct option.
Question 1.
Which one of the following shows lateral inversion?
(a) Plane mirror
(b) Concave mirror
(c) Convex mirror
(d) Convex lens
Answer
Answer: (a) Plane mirror
Question 2.
Which of the following is used as a side view mirror?
(a) Plane mirror
(b) Concave mirror
(c) Convex mirror
(d) Convex lens
Answer
Answer: (c) Convex mirror
Question 3.
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 4.
White light is composed of
(a) three colours
(b) seven colours
(c) five colours
(d) eight colours
Answer
Answer: (b) seven colours
Question 5.
A virtual image
(a) can be formed on the screen
(b) cannot be formed on the screen
(c) is formed only by the plane mirror
(d) is formed only by the convex mirror
Answer
Answer: (b) cannot be formed on the screen
Question 6.
The image formed by spherical mirror is virtual. The mirror will be
(a) concave
(b) convex
(c) either concave or convex
(d) none of these
Answer
Answer: (c) either concave or convex
Question 7.
The coloured band of light obtained by dispersion of light is called
(a) image
(b) spectrum
(c) convergence
(d) scattering
Answer
Answer: (b) spectrum
Question 8.
We 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.
Answer
Answer: (c) both concave mirror and convex lens.
Question 9.
A convex lens is
(a) thick at centre
(b) thin at the centre
(c) thick at edges
(d) hollow at the centre
Answer
Answer: (a) thick at centre
Question 10.
The image that can not be obtained on a screen is called
(a) real image
(b) virtual image
(c) diminished image
(d) none of these
Answer
Answer: (b) virtual image
Question 11.
A ray of light falling on a mirror is a
(a) reflected ray
(b) normal
(c) deflection
(d) incident ray
Answer
Answer: (d) incident ray
Question 12.
The image of an object formed by a plane the mirror is
(a) virtual
(b) real
(c) diminished
(d) upside-down
Answer
Answer: (a) virtual
Question 13.
A diverging mirror is
(a) a plane mirror
(b) a convex mirror
(c) a concave mirror
(d) a shaving mirror
Answer
Answer: (b) a convex mirror
Question 14.
If the image formed is always virtual, the mirror can be
(a) concave or convex
(b) concave or plane
(c) convex or plane
(d) only convex
Answer
Answer: (c) convex or plane
Question 15.
Which of the following mirrors can form a real image of an object?
(a) Convex
(b) Concave
(c) Plane
(d) Either (a) or (b)
Answer
Answer: (b) Concave
Question 16.
The splitting up of white light into seven colours on passing through a glass prism is called
(a) refraction
(b) deflection
(c) dispersion
(d) scattering
Answer
Answer: (c) dispersion
Question 17.
If you are standing 2 m away from a plane mirror, the distance between you and your image is
(a) 2 m
(b) 4 m
(c) 6 m
(d) 8 m
Answer
Answer: (b) 4 m
Question 18.
A spherical mirror having reflecting surface curved outward is a
(a) plane mirror
(b) concave mirror
(c) convex mirror
(d) either concave or convex
Answer
Answer: (c) convex mirror
Question 19.
A plane mirror produces a
(a) virtual and erect image
(b) virtual and inverted image
(c) real and erect image
(d) real and inverted image
Answer
Answer: (a) virtual and erect image
Question 20.
A diverging mirror is
(a) a plane mirror
(b) a convex mirror
(c) a concave mirror
(d) none of the above
Answer
Answer: (b) a convex mirror
Fill in the blanks with suitable word/s.
Question 1.
An image can be obtained on a screen is called a …………….
Answer
Answer: real
Question 2.
An image formed by ……………. lens cannot be obtained on a screen.
Answer
Answer: concave
Question 3.
light deviates the least, while ……………. light deviates the more.
Answer
Answer: Red, violet
Question 4.
The outer surface of a flat steel plate acts as a ……………. mirror.
Answer
Answer: plane
Question 5.
The inner surface of the reflector of a torch acts as a ……………. mirror.
Answer
Answer: concave
Question 6.
A ……………. is a piece of any transparent material bound by two curved surfaces or by one curved and one plane surface.
Answer
Answer: lens
Question 7.
Convex mirrors are used as ……………. mirrors.
Answer
Answer: rear view
Question 8.
The image formed by a plane mirror is …………….
Answer
Answer: virtual
Question 9.
The change of sides of an object and its mirror image is called …………….
Answer
Answer: lateral inversion
Question 10.
The ray of light which falls on the smooth polished surface is called ……………. ray of light.
Answer
Answer: incident
Question 11.
Light travels in a …………………….. line.
Answer
Answer: straight
Question 12.
There are …………………….. types of spherical mirrors.
Answer
Answer: two
Question 13.
The change in the direction of light by a mirror is called …………………….. of light.
Answer
Answer: reflection
Question 14.
The image formed in a plane mirror is …………………….. inverted.
Answer
Answer: laterally
Question 15.
If the image formed is always virtual, the mirror can be ……………………..
Answer
Answer: convex or plane
Question 16.
Convex mirror is …………………….. in the middle than at the edges whereas concave lens is …………………….. in the middle than at the edges.
Answer
Answer: thicker, thinner
Question 17.
The rear view mirror/side mirror in automobiles is a …………………….. mirror.
Answer
Answer: convex
Question 18.
…………………….. lens is called a converging lens.
Answer
Answer: Convex
True or False
Question 1.
The image formed by a convex mirror is erect.
Answer
Answer: False
Question 2.
The image formed by a concave mirror is formed on the screen.
Answer
Answer: True
Question 3.
The image formed by a plane mirror is real.
Answer
Answer: False
Question 4.
The change of sides of an object and its mirror image is called lateral inversion.
Answer
Answer: True
Question 5.
The image formed by plane mirror is erect.
Answer
Answer: True
Question 6.
When the reflecting surface of the spherical mirror is curved inwards, it is called concave mirror.
Answer
Answer: True
Question 7.
A concave mirror forms a virtual and erect image.
Answer
Answer: True
Question 8.
Any polished or shining surface acts as a mirror.
Answer
Answer: True
Question 9.
A convex mirror always forms a real image.
Answer
Answer: False
Question 10.
The concave mirror is converging.
Answer
Answer: True
Question 11.
Light is a form of energy.
Answer
Answer: (c) Water
Question 12.
Light travels at the same speed in all media.
Answer
Answer: (c) Water
Question 13.
The image formed by a plane mirror is erect, virtual and laterally inverted.
Answer
Answer: (c) Water
Question 14.
A concave lens always forms a virtual image.
Answer
Answer: (c) Water
Question 15.
White light is composed of seven different colours.
Answer
Answer: (c) Water
Question 16.
Image formed by a plane mirror is usually real.
Answer
Answer: (c) Water
Match the items given in column I suitably with those given in column II.
| Column I | Column II |
| 1. Real image | (a) Upside down image |
| 2. Virtual image | (b) Upright image |
| 3. Inverted image | (c) Magnified image |
| 4. Erect image | (d) Deviates least |
| 5. Rainbow | (e) Deviates more |
| 6. Concave mirror | (f) Formed on the screen |
| 7. Red light | (g) Seven colours |
| 8. Convex lens | (h) Cannot be formed on the screen |
| 9. Violet light | (i) Virtual image |
| 10. Plane mirror | (j) Thinner at the edges |
Answer
Answer:
| Column I | Column II |
| 1. Real image | (f) Formed on the screen |
| 2. Virtual image | (h) Cannot be formed on the screen |
| 3. Inverted image | (a) Upside down image |
| 4. Erect image | (b) Upright image |
| 5. Rainbow | (g) Seven colours |
| 6. Concave mirror | (c) Magnified image |
| 7. Red light | (d) Deviates least |
| 8. Convex lens | (j) Thinner at the edges |
| 9. Violet light | (e) Deviates more |
| 10. Plane mirror | (i) Virtual image |
| Column A | Column B |
| 1. Glass | (a) Irregular image |
| 2. Inverted image | (b) Upright image |
| 3. Diffusion reflection | (c) Transparent |
| 4. Convex mirror | (d) Upside down image |
| 5. Erect image | (e) Always erect image |
Answer
Answer:
| Column A | Column B |
| 1. Glass | (c) Transparent |
| 2. Inverted image | (d) Upside down image |
| 3. Diffusion reflection | (a) Irregular image |
| 4. Convex mirror | (e) Always erect image |
| 5. Erect image | (b) Upright image |
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