Class 7 Science Physics Chapter 15 Test Paper Set-1 Pdf Download CBSE
Test Paper Of Class 7 Science physics Chapter 15 Light

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Chapter 15 Test Paper (01)
class-7-science-chapter-15-light-set-1Class 7 Science Physics Chapter 15 light Test Paper Set-1 Text Form:-
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SAMPLE PAPER (01)
CLASS: 7 MAX.MARKS :30
SUBJECT: SCIENCE (Physics) TIME: 1:30 HOUR
CH: 15 (Light)
General Instructions:
I. All questions are compulsory.
II. This question paper contains 18 questions divided into three Sections:- A, B, and C.
III. Section A has 10 questions of 1 mark each. Section B has 4 questions of 2 mark each and Section C has 4 questions of 3 mark each.
(Section – A)
In Questions 1 to 10, there are four options, out of which one is correct. Write the correct answer.
1. 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.
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(a) 2 m
(b) 1 m
(c) 0.5 m
(d) 0.25 m
2. 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.
3. 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.
4. The path along which light travels in a homogenous medium is called the
(a). beam of light
(b). ray of light
(c). pencil of light
(d). none of these
5. We can see books even though it does not emit light because (a). It is always visible
(b). It absorbs light
(c). It reflects light
(d). Neither absorbs nor reflects light
6. We can see an object from every direction due to ____________ of the incident light ray on the object.
(a). regular refraction
(b). regular reflection
(c). irregular reflection
(d). none of these
7. The statement that is true about Light is.
(a). requires a material medium to travel from one place to another
(b). does not require a material medium
(c). light has mass but it is negligible
(d). light waves are longitudinal wave
8. The path along which light travels in a homogeneous medium is called a :
(a). beam of light
(b). ray of light
(c). pencil of light
(d). line of light
9. Speed of light is maximum in:
(a). Glass
(b). Vacuum
(c). Water
(d). Nylon
10. We are able to see objects because
(a). they absorb light
(b). they reflect light
(c). total internal reflection takes place in them
(d). all the light is refracted through them
13. The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear view mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be
(i) 1 m/s
(ii) 2 m/s
(iii) 4 m/s
(iv) 8 m/s
(Section – B)
11. Fill in the blanks:
(a) An image that cannot be obtained on a screen is called
____________.
(b) Image formed by a convex __________ is always virtual and smaller in size.
(c) An image formed by a __________ mirror is always of the same size as that of the object.
(d) An image which can be obtained on a screen is called a _________image.
12. The side mirror of a scooter got broken. The mechanic replaced it with a plane mirror. Mention any inconvenience that the driver of the scooter will face while using it?
13. A shopkeeper wanted to fix a mirror which will give a maximum view of his shop. What type of mirror should he use? Give reason.
14. The side mirror of a scooter got broken. The mechanic replaced it with a plane mirror. Mention any inconvenience that the driver of the scooter will face while using it?
(Section – C)
15. It was observed that when the distance between an object and a lens decreases, the size of the image increases. What is the nature of this lens? If you keep on decreasing the distance between the object and the lens, will you still able to obtain the image on the screen? Explain.
16. State two differences between a convex and a concave lens.
17. State the characteristics of the image formed by a plane mirror.
18. Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.